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I installed Ubuntu 20.04 in WSL2 before updating from Windows 10 to 11 beta, and in Windows 10 it always worked fine.

After the update I can still see the installed distribution like this:

PS C:\> wsl --list
Windows Subsystem for Linux Distributions:
Ubuntu-20.04 (Default)
PS C:\>

But I can't start it anymore:

PS C:\> wsl
Access is denied.
PS C:\>

This happens even when I run PowerShell as Administrator, I get the same Access is denied as non-privileged and as Administrator user.

Does somebody have an idea how to solve this?

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1 Answers1

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I found the problem myself. The issue was that BitDefender has blocked some executables that are used by the WSL2 (without showing me a notification). I'm guessing it did that because it didn't have the fingerprints of those new Windows 11 binaries in its list of trusted fingerprints yet. Once BitDefender stopped blocking these binaries everything worked.

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