PsfLauncher64.exe ~ The system cannot find the file specified

[Timovs1]

When we use the Microsoft Package Support Framework (PSF) shipped with MSIX to run some pre launch scripts on some applications, we got this error when the application launches after installation:

This error is already described on the following URL ([https://techcommunity.microsoft.com/t5/msix/psflauncher64-exe-the-system-cannot-find-the-file-specified/m-p/3274042]) by Tim Mangan and is already fixed in Tim's PSF more than a year ago.

In our environment we don't have the feature Windows PowerShell 2.0 installed and therefore we don't have the key: [HKEY_LOCAL_MACHINE\Software\Microsoft\PowerShell\1]
Installed = 1

As Tim mentioned in the article above, this is a bug which is still in the Microsoft PSF, where the PSF can't determine whether PowerShell is installed or not.

Can the solution from Tim's PSF also be incorporated into the Microsoft PSF?

[Pollewops]

I have the same issue and created a case for it right now. This needs to be fixed i guess.

[creatio-ua]

This issue appears because of a minor issue in the code.
There's a workaround, you need to add to the registry:
HKLM\SOFTWARE\Microsoft\PowerShell\1
a key:
Install (DWORD) = 1
Should look like that: