[Q] File copy (native) fo rWP7? - Windows Phone 7 Development and Hacking

Has anyone whipped up a native filecopy app that can copy files to and from a Windows Phone 7 retail device to/from any directory?

TouchXplorer for HTC phones does something like this. My Webserver will let you copy some files on/off the phone, but there are limitations.

obelix said:
Has anyone whipped up a native filecopy app that can copy files to and from a Windows Phone 7 retail device to/from any directory?
Click to expand...
Click to collapse
Without using HTCs COM DLLs, and without hacking apart the security mechanisms, I don't think this will be possible.
Unsigned COM DLLs can't get full filesystem access (I'm fairly sure you can only access the \Windows dir). Using an idea like davuxs webserver, you could in theory get any file you can get read access to onto a desktop, but that still limits you to \Windows.
Either, the entire security mechanism needs to be altered to our needs (like the way you can patch all certificate checks out of WM6.5 with an alteration to the XIP) or someone needs to "accidentally" find access to the right certificate.

It was worth a shot. With so many threads discussing progress in gaining access to the file system I wasn't clear where the security boundaries were.
I'm on a Samsung Focus (i917) which is popular in the US and while FileBrowser.exe is accessible, its very limited in functionality.
Plus I'm not sure anyone has figured out yet how to copy files between the desktop and device over USB.
Ideally at soem point there would be a way to not only explore the entire file system but also be able to copy programs to the device and be able to execute and run/install those native apps.

obelix said:
It was worth a shot. With so many threads discussing progress in gaining access to the file system I wasn't clear where the security boundaries were.
I'm on a Samsung Focus (i917) which is popular in the US and while FileBrowser.exe is accessible, its very limited in functionality.
Plus I'm not sure anyone has figured out yet how to copy files between the desktop and device over USB.
Ideally at soem point there would be a way to not only explore the entire file system but also be able to copy programs to the device and be able to execute and run/install those native apps.
Click to expand...
Click to collapse
I think (I'm digging through it now) that the MS developer tools would let us do a file transfer over USB (I've got XAP deployment, but there's a function for that, but it uses some lower level things internally).
But that doesn't give on device file system access, and is using MS frameworks entirely.

Related

Delete File in Windows Mobile 6

Hi, how can I delete a file in \Windows folder? it seems complaining that the file is in ROM, I had tried many way even using other File Explorer or via ActiveSync. None of them work.
How can I delete a file in \Windows folder in my Microsoft Windows Mobile 6?
Maybe Resco Explorer or Total Commander CE will help.
if it's built in the rom, you might be unable to delete that file.
Please be more specific: which file do you wish to delete?
Maybe you'd have to recook the ROM without that file.
Regards,
EquinoXe
Things built into the rom are "READ ONLY MEMORY" therefore cannot be deleted. if the file is only marked as system and readonly though you can change its atributes using total commander. just long click on item to bring up menu and go to properties. there you need to uncheck everything and delete
I had downloaded Total Commander and installed it, the checked file attributes are 'read only' and 'in rom'; so I guess the file shall be consider undeleteable.
Now I had to learn how to recook, any good guide how can I recook the ROM that I have?
similar problem
I downloaded some software and it came up as being faulty software. The file was a zip folder titled : res_ppc-custom.icons
I tried through my windows mobile device center to uninstall it, but it was never actually installed completely in the first place.
I then tried to delete the file a few times. Once directly from my pda, once through the device center and again through my pc windows explorer. All three attempts were unsuccessful.
How can I get rid of this thing?
Thanks in advance
perhaps you may want to check if the file being accessed by other software, easiest way is to soft reset and try to delete it.
That did the trick! Thanks so much
Move files to storage card
OK I want to move some files (not ROM) in Windows and keep getting error. For example Opera.exe is not marked as anything in properties yet I can't seem to delete the file. I did copy it to my storage card without any issue but can't delete the original from Windows directory. Any suggestions since Total Commander won't delete it. Will edit registry to find it on the Storage Card.
Deleting files in Windows folder
mynullvoid said:
Hi, how can I delete a file in \Windows folder? it seems complaining that the file is in ROM, I had tried many way even using other File Explorer or via ActiveSync. None of them work.
How can I delete a file in \Windows folder in my Microsoft Windows Mobile 6?
Click to expand...
Click to collapse
I have the same problem - I have colpilot.wm6ppc.cab in my Windows directory. It's 12.6mb, I don't want it, and it's taking up a lot of storage space. My phone is a T-Mobile MDA and it obviously came with CoPilot as an option, but I think it's really unfair that the cab is right there in the Windows dir and I can't get rid of it....
Any help gratefully received....
Cheers,
Ed.
The cab is cooked in as part of the rom; there's nothing you can do about it, except flash a custom rom (this is one of the main reasons people flash custom roms). Be glad it was installed as a cab and not as a full package-at least cabs are compressed are a single file.
Farmer Ted said:
The cab is cooked in as part of the rom; there's nothing you can do about it, except flash a custom rom (this is one of the main reasons people flash custom roms). Be glad it was installed as a cab and not as a full package-at least cabs are compressed are a single file.
Click to expand...
Click to collapse
I think the issue is not on the files in ROM.
I have the same problem. I've copied a file under Windows folder and after that I'm unable to delete it.
Strangely I'm able to rename it, which should mean that file is not in use, however deletion is not possible.
I've used TotalCommander, the built-in Explorer and also connected the phone via ActiveSync, but still nothing happens and access seems to be denied.
The exact message is "deletion error".
Any idea?
Thanks.
Cheers...
-nOra-
A very common problem with Windows explorer is reported on all Windows help forums. I've seen people complaining about problem with long path files deletion.
Some common problems with Windows Explorer people talk about:
- Doesn't allow to delete files with long path names
- Pops up error while deleting unwanted files or unnecessary files
- Errors like: Access denied, sharing violation, source in use etc.
I've found a very simple but smart solution for all these above mentioned common problems. A very simple but powerful tool to overcome these problems. Everyone who plays with the files must have this tool. Its compatible with all versions of Microsoft Windows.
johnylog.software said:
A very common problem with Windows explorer is reported on all Windows help forums. I've seen people complaining about problem with long path files deletion.
Some common problems with Windows Explorer people talk about:
- Doesn't allow to delete files with long path names
- Pops up error while deleting unwanted files or unnecessary files
- Errors like: Access denied, sharing violation, source in use etc.
I've found a very simple but smart solution for all these above mentioned common problems. A very simple but powerful tool to overcome these problems. Everyone who plays with the files must have this tool. Its compatible with all versions of Microsoft Windows.
Click to expand...
Click to collapse
Could you please tell us the name of this wonderfull tool, and how to have?
djulen said:
Could you please tell us the name of this wonderfull tool, and how to have?
Click to expand...
Click to collapse
Based on how he said it, I have to really wonder if he really does have such a tool...
badbwoydes said:
Based on how he said it, I have to really wonder if he really does have such a tool...
Click to expand...
Click to collapse
Use Total Commander to modify the contents of the \Windows directory.
Yes, but you won't be able to delete a ROM file anyway.
In the \Windows folder, you commonly encounter three kinds of files :
- Pure ROM files (can't be deleted nor renamed nor moved, nor even copied, but can be overwritten, consuming internal storage memory space in the process to store the new copy, that will become used instead) ;
- Files put there by installation CABs or else (can be freely deleted, renamed or moved, provided they're not currently used by a running process) ;
- Files put on top of previously existing ROM files, wearing the same name (deleting, renaming or moving them will thus make the original ROM file undertneath to reappear with its original contents and attributes).
Once you've understood that, you'll be more aware of what's cooking there.
ROM files can't even be copied, but you can use ROMExtractor to copy them elsewhere, in case you want to study them, or use them in your own ROM (useful to get up-to date versions from another HTC device to cook your own ROM).
Since ROMExtractor is a very minimalistic tool (you have to type in all the files names with their path, same for the target copy, all one by one !) manually extracting hundreds (even thousands) of files is a very tedious taks, I made a MortScript to automate the process in order to extract all those DLLs, EXEs, MUIs, etc. files that can't be directly copied from a phone's ROM.
On the other hand, you absolutely can't delete a ROM file to make room. Overwriting it with a file wearing the same name will jut result in actually adding the new file, thus consuming even more room. The new file will just be used instead of the original one (so you can still update or personalize the ROM).
As a direct consequence, the only way to get rid of unwanted ROM files or permanently replacing them with up-to-date ones is to cook a ROM and flash it to the device to replace the old one.
That's way how operating systems can become better and better, and save space at the same time.
And no, Windows Mobile isn't dead : I'm not quite finished with fixing it until it's perfect, so it's not over yet. LOL

[GUIDE] Deploy files to your dev-unlocked WP7 device!

There are many possible situations where you want to deploy some files to a certain folder on your phone. Copying music, ringtones, provxml, etc. This can be difficult if you don't have a working file-explorer for your device.
This method will let you deploy files to your developer-unlocked WP7 device, as long as it is developer-unlocked. It works on any brand and any version of Windows. It also works if you have Mango and your device is Interop-Locked. You won't be able to overwrite ROM-files!
At first I thought this method had access to all folder on the phone. Unfortunately that does not seem to be true. When I tested this, I thought I had removed all policies I added to get root-access on my device. This was not true, so when I tested this I had more access than on a regular WP7 device. It is still possible to write to the root-folder, create new folders in the root-folder, "My Documents", "Applications", etc. Unfortunately it does not seem to be possible to write to \Windows.
Follow these instructions:
1. Download this file: File Deployer by Heathcliff74 v2.xap.
2. Open your favorite archiver (WinZip / WinRar / 7Zip).
3. In the archiver open the xap file.
4. In Windows Explorer (or on your desktop) create the folder structure where you want to deploy files on your phone. So if you want to copy files to the \My Documents\My Ringtones, then first create a folder "My Documents" and in that folder create a folder "My Documents".
5. Put the files you want to deploy in the folders you created.
6. Rename the root-folders you created and add this at the start:
XX-XX-XX-XX-
It must be exactly like that! Only do this for the root-folders. So in the example I gave, the "My Documents" folder will become "XX-XX-XX-XX-My Documents". The deeper folders, like "My Ringtones" will remain as they are.
7. Drag the folders into the xap-archive.
8. Close the archiver tool.
9. Open the xap-file in a hex-editor.
10. Search and replace these hex-values (all occurrences!!):
Search: 58 58 2D 58 58 2D 58 58 2D 58 58 2D
Replace with: 2E 2E 2F 2E 2E 2F 2E 2E 2F 2E 2E 2F
11. Save and close the hex-editor.
12. Use any Windows Phone App Deployer to deploy the contents of the xap-file to your phone.
Hope this works for you!
Good luck,
Heathcliff74
Heathcliff74 said:
Hope this works for you!
Good luck,
Heathcliff74
Click to expand...
Click to collapse
beautiful, I wonder if somebody can write this into a program. the program asks which folders, which folders are root and what files to transfer. then does the rest (creates the folder structure, renaming, packaging, hex replacing) and spits out the xap ready for deployment. I know that I will screw this up with all the xes and hex replacements
too bad I can't program
This is not working as expected. It seemed I had some policies in place, that allowed me to do more than on a 'normal' WP7 device. It does still seem to work for a lot of folders, like the root-folder, "My Documents", "Applications", etc. But it does not work for the "Windows" folder. Too bad I will update the opening post with this info.
I will also update the xap, because not all archivers did handle the xap well. That should be fixed with the new xap.
Ciao,
Heathcliff74
if it can write to \Windows.Many people can fix Interop-Locked device.
LOL! I'm surprised the deployment system accepts ../ paths, and that it ignores the ZIP CRC checks that obviously become invalid when you hex-edit that stuff. Good find!
Arktronic said:
LOL! I'm surprised the deployment system accepts ../ paths, and that it ignores the ZIP CRC checks that obviously become invalid when you hex-edit that stuff. Good find!
Click to expand...
Click to collapse
Finding exploits is always about finding things a system accepts that it really shouldn't accept
The zip crc's are only on the file-contents, not on the folder-structures and headers.
Ciao,
Heathcliff74
I suppose I should have looked up the ZIP specs before jumping to conclusions
does this means we can deploy a Provxml to a Dell Venue Pro? If so maybe we find a way to execute said provxml once it is on device?
good work, Heathcliff74
Finally i could add some roms for wj7 finally the server bla bla doesbt work , thx good work and im waiting happily for wp7 root tools for LG maybe there is a way to send files to \Windows with update cabs http://forum.xda-developers.com/showthread.php?t=1248799 so if sb cheks the code you could ad it to wp7 root tools ^^
Hi
i need to know exact path ?? i used same method and this file was deployed to my surround but i did not fine those apps into my phone ?
please tell me correct way ?
br
derausgewanderte said:
beautiful, I wonder if somebody can write this into a program. the program asks which folders, which folders are root and what files to transfer. then does the rest (creates the folder structure, renaming, packaging, hex replacing) and spits out the xap ready for deployment. I know that I will screw this up with all the xes and hex replacements
too bad I can't program
Click to expand...
Click to collapse
If anybody would let me I can have a try... I just need to modify the code from my other app... I'll start tomorrow.
can anyone suggest an app that can browse the folders on my phone? No need to have write access, just read. I just need to have the path of the Isolated Storage folder for the Kindle application. I want to deploy my .mobi ebooks into my phone.
No such app exists, aside from the HTC filesystem browsers (TouchXplorer, Advanced Explorer, WPDM on the PC) and WP7 Root Tools (currently Samsung gen1 only). Apps don't have the required permissions by themselves even to do read operations on the majority of the filesystem.
However, if you just need the path to an app's IsoStore, it's \Applications\Data\<ProductIdGuid>\Data\IsolatedStore. For Kindle, the GUID is 48195FB4-EE0E-E011-9264-00237DE2DB9E (as in, \Applications\Data\48195FB4-EE0E-E011-9264-00237DE2DB9E\Data\IsolatedStore\). I don't know how the app organizes its files within that folder, though.
can you confirm if the kindle isolated storage path is "\Applications\Data\<ProductIdGuid>\Data\IsolatedStore" or is it "\IsolatedStorage"?
One last thing, If I decide to uninstall the XAP, will all of the files also gets removed?
It's IsolatedStore. Also, uninstalling an app does not remove files deployed this way.
Sent from my HD7 using XDA Windows Phone 7 App
Heathcliff74 said:
Finding exploits is always about finding things a system accepts that it really shouldn't accept
The zip crc's are only on the file-contents, not on the folder-structures and headers.
Ciao,
Heathcliff74
Click to expand...
Click to collapse
how did you become so good at finding exploits in wp7?
I'm trying to use this way to transfer game saves. But it always says something like "The group policy blocks this app."
Can someone confirm this deploy method still valid under the following circurstances?
- System version 8107
- app IsolatedStore, i.e. \Applications\Data\<guid>\Data\IsolatedStore
- app is deployed by Marketplace
You can't install homebrew (unsigned) XAP files with the same GUID as installed Marketplace apps. You also can't use IsolatedStorageExplorer or anything built on it on Marketplace apps (or their data, rather) - it will give you that "group policy" error if you try.
However, the deployer hack should work fine for adding or replacing files in a Marketplace app if the GUID used for the deployment "app" is different.
GoodDayToDie said:
You can't install homebrew (unsigned) XAP files with the same GUID as installed Marketplace apps. You also can't use IsolatedStorageExplorer or anything built on it on Marketplace apps (or their data, rather) - it will give you that "group policy" error if you try.
However, the deployer hack should work fine for adding or replacing files in a Marketplace app if the GUID used for the deployment "app" is different.
Click to expand...
Click to collapse
Well, now I can't replace any file under \Application using the deployment "app".
The file I'm trying to deploy.
\Applications\Data\788c002f-5649-e011-854c-00237de2db9e\Data\IsolatedStore\game.sav

Compress files

Hello,
I have an idea to make an App, and I have one problem, I have to upload one folder that its content have a lot of files and folders in order to upload to skydrive. I think that it is more easy if I compress the main folder and then upload this compressed file. How Can I compress this folder?
Thanks you
cansado2930 said:
Hello,
I have an idea to make an App, and I have one problem, I have to upload one folder that its content have a lot of files and folders in order to upload to skydrive. I think that it is more easy if I compress the main folder and then upload this compressed file. How Can I compress this folder?
Thanks you
Click to expand...
Click to collapse
have you tried zip...
dazza9075 said:
have you tried zip...
Click to expand...
Click to collapse
Hi dazza9075,
Thanks by your answer, but I thought the same, but I don't know how to use this, Can you explain about use of zip? Or, Where can I find information about this?
Thank you again
cansado2930 said:
Hi dazza9075,
Thanks by your answer, but I thought the same, but I don't know how to use this, Can you explain about use of zip? Or, Where can I find information about this?
Thank you again
Click to expand...
Click to collapse
+1 for the idea... I also want a program like winrar which also available in symbian phones.plz any dev note this and develop an app for compressing and decompressing files...
WP will unzip zip files, make the sip, copy to sky drive, open via IE, it will then give you the contents of the zip,, it can't compress files to zip though. Technically there would be little point since docs auto sync to sky drive, and WP doesnt support anything else or file system access, but its doable for unlocked devices I suppose
Sent from my SGH-i937 using XDA Windows Phone 7 App
dazza9075 said:
WP will unzip zip files, make the sip, copy to sky drive, open via IE, it will then give you the contents of the zip,, it can't compress files to zip though. Technically there would be little point since docs auto sync to sky drive, and WP doesnt support anything else or file system access, but its doable for unlocked devices I suppose
Sent from my SGH-i937 using XDA Windows Phone 7 App
Click to expand...
Click to collapse
Hi dazza9075,
Thank you by answer, I had thought that it isn't possible, because I want to compress a folder of other app that her content are a lot of files and folders. So, Do some api exist in order to compress this? Or, Have I upload files and folders one by one?
Thank you again
I think it's completely possible
sombody names Ego zheng,wrote an application. It is program manager.
u can repack your apps,and save apps data in a single .zip file.
i think he can do this
contact him for this idea.
Leo_zodiac said:
I think it's completely possible
sombody names Ego zheng,wrote an application. It is program manager.
u can repack your apps,and save apps data in a single .zip file.
i think he can do this
contact him for this idea.
Click to expand...
Click to collapse
its doable so long as you have interop unlock and WP tools installed and setup
if the Windows Phone SDK is missing Zip functionality (it may be called "DEFLATE" which is the name of the compression algorithm; ZIP is the file format) then there are surely libraries for various compression methods which you could download. Alternatively, if you don't mind using native code homebrew, there are compression libraries (zlib, etc.) that can be compiled to a native DLL, and you could then access them via COM.
i add this to new version of my file manager and now you can compress and decompress file and folders
Hi!
Thanks you by your answer, they have been very useful.
Thanks you
Hi again,
I'm using the lib "SharpZipLib" and I have problems with it. Can you explain how use it? or what is the problema? I probe in a program of pc and it working correctly but in app for my mobile say it crashed when it go to create the file, this is code:
FileStream fsOut = File.Create("Copia.zip"); //here is the problema at this moment
ZipOutputStream zipStream = new ZipOutputStream(fsOut);
zipStream.SetLevel(3);
zipStream.Password = null;
........
It can't create the file.
Thank you again
Generally speaking, Silverlight (which WP7 uses for apps) doesn't even allow normal file access, so you might just be getting a MethodAccessException on File.Create. If not, that still won't work without elevated privileges. The default working directory for a program is it's install directory. For a WP7 app, that's going to be either its install location (\Applications\Install\<GUID>\Install) or the Windows directory where the taskhost.exe file lives (\Windows\). Trying to create a file without specifying full path will crete it relative to the working directory, which in this case means creating it in the working directory directly (no path specified). Since the app can't write to the working directory, you'll get an error from that too.
To get around the permissions error, use the IsolatedStore folder (\Applications\Data\<GUID>\Data\IsolatedStore\) or run the app with full permissions ("Trusted" or root unlocked).

[Q] Full access to WindowsApps under Windows RT 8.1

Hi folks, I've never tried editing anything in WindowsApps under Windows RT 8.0 but now when I use version 8.1 I feel like playing with modern apps. From what I read in Windows 8 it was(is?) possible to fully access it by taking ownership of that folder. I did the same, changed owner from trustedinstaller to my user account and while under permissions it looks like my user has full access to all files I still can't edit anything, only read, execute and delete, no write. Is it possible to edit anything in WindowsApps under RT 8.1 or was it blocked since RT 8.0 or in both Windows RT and 8 and I just misread something?
Taking ownership allows you to edit the permissions. Editing the permissions enables adding the Write (or Full Control) permissions.
GoodDayToDie said:
Taking ownership allows you to edit the permissions. Editing the permissions enables adding the Write (or Full Control) permissions.
Click to expand...
Click to collapse
"under permissions it looks like my user has full access" - I've enabled full contol already and still I can't write anything, that's why I made this thread, to ask if it's possible at all.
Did you enable it for subfolders, etc.? Can you create a new folder directly under WindowsApps? Have you applied the permissions change yet?
GoodDayToDie said:
Did you enable it for subfolders, etc.? Can you create a new folder directly under WindowsApps? Have you applied the permissions change yet?
Click to expand...
Click to collapse
Yep, I've enabled it for subfolders, gave full access to all users, unticked read only flags, changed owner... i've tried everything I could. And yes, I can create a new folder directly in windowsapps but not in applications subfolders where I can't perform any modifications except deleting.
I'm not currently using RT 8.1, but something is off, here. You're sure you have privileges on the subfolders (individual app folders), not just the WindowsApps folder? Each one has their own permissions.
GoodDayToDie said:
I'm not currently using RT 8.1, but something is off, here. You're sure you have privileges on the subfolders (individual app folders), not just the WindowsApps folder? Each one has their own permissions.
Click to expand...
Click to collapse
Yes, I'm 100% sure that I have full control set for all subfolders. Strange thing is that I tried some random files in random app folders and some files are writeable and some are not, even in one folder. I think that MS did it on purpose to prevent users from modifying/cracking apps. All I wanted to do was to edit one xml file in Asphalt 7 folder to enable some graphical enhancements that are disabled for Windows RT and are stored in this xml as presets but no matter what I do I can't edit this file and believe me, I tried everything.
There are things I'm sure you could do - for example, opening a file or folder with FILE_FLAG_BACKUP_SEMANTICS lets you completely bypass ACLs, assuming you have the SE_BACKUP permissions (Administrators and other members of the "Backup Operators" security group).
One other possibility, that in fact sounds quite likely from your description: are you sure that the apps aren't *running* in the background? 8.1 makes apps suspend, not close, by default even if you do the swipe-to-bottom-of-screen gesture. Obviously, if the files are locked, you won't be able to edit them. That should give you a different error, but you never actually said what error you're getting.
GoodDayToDie said:
There are things I'm sure you could do - for example, opening a file or folder with FILE_FLAG_BACKUP_SEMANTICS lets you completely bypass ACLs, assuming you have the SE_BACKUP permissions (Administrators and other members of the "Backup Operators" security group).
One other possibility, that in fact sounds quite likely from your description: are you sure that the apps aren't *running* in the background? 8.1 makes apps suspend, not close, by default even if you do the swipe-to-bottom-of-screen gesture. Obviously, if the files are locked, you won't be able to edit them. That should give you a different error, but you never actually said what error you're getting.
Click to expand...
Click to collapse
I know that apps are tombstoned in 8.1 so you can fast resume like in WP and to fully close you need to swipe to bottom and hold unless tile flips but that's not the case as I tried that on fully closed apps. And the error is just typical "you need permission to perform this action". It looks like things are locked and impossible to access without some special trickery. So that's why in modern apps many crucial files like licenses or in-app purchase settings are stored in human readable files like xml, if there is no way to edit it, why encrypt? Either article that stated that you can gain full access to windowsapps wasn't exactly accurate or something has changed in 8.1, I don't have 8.0 so can't check.
I'm running into this issue as well in 8.1, and I had no issues in 8.0.
Anyone made progress? I have tried right after a reboot, without opening any apps (this is a store app), so the app shouldn't be running or in use.
I can confirm this. Even with full permissions I get "More permissions are needed to perform this action" when I try to create a new file. I can delete (move to trash) files just fine though, can't edit anything. Will investigate further later.
P.S. C:\Program Files>icacls windowsapps /t /c /q /reset seems to fix issues if your metro apps stop starting ?
This worked with windows 8
http://forum.xda-developers.com/showthread.php?t=2069048&#13
Inviato dal mio GT-N7100 con Tapatalk 2
jessenic said:
I can confirm this. Even with full permissions I get "More permissions are needed to perform this action" when I try to create a new file. I can delete (move to trash) files just fine though, can't edit anything. Will investigate further later.
P.S. C:\Program Files>icacls windowsapps /t /c /q /reset seems to fix issues if your metro apps stop starting ��
Click to expand...
Click to collapse
I'm running into the exact same problem, in Windows 8 I could write and edit files in the Windowsapps folder without any hassle (obviously with the correct permissions set), in Windows 8.1 this is not possible. Guess Microsoft toughened up the protection in this particular folder after the WSService Tokens Extractor was being used for turning trial apps into full versions
The apps are protected but if you make an new folder and move the files and rename you have full control hover for the apps to run need the unknown account which execute the program

Is there a way to remove pre-installed Windows 10 Mobile?

editing the .ffu file or by using some file explorer? I need to remove apps that I always have to uninstall when I recover my Lumia. Easy Tax and others ...
no...
You might wanna extract separate partition images from the ffu then edit the MainOS image but you can't repack them into a new ffu. You can only repack those images into a flashable zip file. If you're not in hurry, I can write a full tutorial next week if you need one. Otherwise, you can experiment yourself with Interop Tools, OSFMount and Total Commander. Just be very, very careful cause you might turn your device into a brick
easier is to remove apps with CU or Interop tools....
I second dxdy.
Ya Interop tools and sftp or Full MTP access is what I use.
Go to C:\PROGRAMS\COMMONFILES\XAPS
Remove what you do not want. But be careful not to remove stuff you may need later, like wallet or other foundation apps. Also if you Hard reset they will be gone next time around. Secondly I have found some OEMs use another folder I think under C:\PROGRAMS\COMMONFILES\OEM\PreinstalledAPPS or something C:\PROGRAMS\COMMONFILES\OEM\Preinstalled......
The main folder is the XAPS folder though, that gets used during OOBE provisioning.

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