install.py: [!] Failed to extract archive: Permission denied about wsl-distribution-switcher HOT 8 CLOSED

Now I made it work. Even under normal user. The ntfs extended attribute dll wasn't allowed to be executed for any user.

How to fix it:

1. right-click on ntfsea_x64.dll (or x86 if you have 32 bit)
2. properties
3. tab Security
4. Advanced
5. remove all lines containing type Deny
6. OK
7. choose your user
8. tick read and execute
9. OK

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when debugging with pdb:

> /cygdrive/c/Users/msamia/WSL-Distribution-Switcher/ntfsea.py(261)init()
-> ntfsea.lib = loader('ntfsea_%s.dll' % ('x64' if platform.architecture()[0] == '64bit' else 'x86'))
(Pdb)
OSError: Permission denied

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Updating to Windows 10 Insider Preview 15031

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Probably caused by cygwin http://stackoverflow.com/questions/3826484/using-python-ctypes-with-cygwin

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The script was originally designed to work with the Windows distribution of Python. After the script was mostly finished, I added support for Cygwin, but it required a lot of hacks, since Cygwin ships the Linux version, so to speak, so a lot of Windows-specific functionalities are missing, lack of ctypes.WinDLL being one of them.

However, it is working on my Cygwin installation as the script is now, so it should work for you as well under normal circumstances.

I'll try recreating the issue so I can see what I can do about it, meanwhile, you can try the compiled version of the script: https://github.com/RoliSoft/WSL-Distribution-Switcher/releases

Currently, the compiled version is the latest version, and does not require separate Python runtime. Just run the exes from command prompt as you would run the scripts.

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Upgraded to Updating to Windows 10 Insider Preview 15031. Specified explicit path to installed windows version of Python 3.6. Running from powershell.

PS C:\Users\msamia\WSL-Distribution-Switcher> git rev-parse HEAD
1adbfbca21e58c700c105e5bfe9165069d57d0cc
PS C:\Users\msamia\WSL-Distribution-Switcher>

PS C:\Users\msamia\WSL-Distribution-Switcher> C:\Users\msamia\AppData\Local\Programs\Python\Python36\python.exe .\install.py centos:7
[*] Probing the Linux subsystem...
[*] Default user is root at /root.
[*] Reading /etc/{passwd,shadow,group,gshadow} entries for root...
[*] Beginning extraction...
[!] Failed to extract archive: [WinError 5] Access is denied
PS C:\Users\msamia\WSL-Distribution-Switcher>

The same happens when I run the powershell as administrator.

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Minimum reproduction scenario on both versions 15031 and 14393.51 in powershell:

PS C:\Users\msamia\WSL-Distribution-Switcher> python -c 'from ntfsea import ntfsea; ntfsea.init()'
python : Traceback (most recent call last):
At line:1 char:1
+ python -c 'from ntfsea import ntfsea; ntfsea.init()' 2>&1|clip
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (Traceback (most recent call last)::String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError
 
  File "<string>", line 1, in <module>
  File "C:\Users\msamia\WSL-Distribution-Switcher\ntfsea.py", line 261, in init
    ntfsea.lib = loader('ntfsea_%s.dll' % ('x64' if platform.architecture()[0] == '64bit' else 'x86'))
  File "C:\Users\msamia\AppData\Local\Programs\Python\Python36\lib\ctypes\__init__.py", line 344, in __init__
    self._handle = _dlopen(self._name, mode)
PermissionError: [WinError 5] Access is denied

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Could you please check if this issue resolves itself if you run the script as administrator?

You don't need admin for the scripts, but for debugging purposes, let's make sure whether this is a genuine permission issue, or something else disguised as "Access is denied".

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