Thank you,
I disabled everything that has the word "shell" in it and the shortcuts now work.
i now need to find out which one was the cause of my problem.

I don't have cubby. but i closed every background program i have (including cloud services like dropbox). still same problem.

I have a problem opening folders that i pinned down in the taskbar.
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When I click a folder nothing happens (with the exception of "this PC"/"Your PC", in which case it actually opens what it...