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.NET framework prevents shutdown after Win8.1 ->Win10 upgrade


Since I've upgraded from Win 8.1 to Win 10, I can't turn off my PC without getting an exception in .NET Framework, and then a message that it is preventing shutdown. Google shows that this problem isn't exactly new and already happened to some people with Win8, but for some reason I've not been able to find a working solution yet. Does anyone know of a way to fix this other than doing a clean reinstall (which I really don't want)?

I've already tried some ".NET repair tool" from Microsoft, downloaded various offline installers of .NET and tried forcing them to re-install via command line. No luck - they just keep telling me that .NET is already installed, already a part of the OS, or sometimes even "installed but not activated", which is just plain wrong according to the feature selection dialog...

I got the same problem too :

Anyone here got the same problem? If yes, any idea how to solve it?
Thanks, much appreciated

Did you install dot net 3.5? You have to add it via 'Apps and Features"->Manager Optional Features->Add a Feature, it should be right on top. I haven't had any dot net errors.


If it is related to NET app holding up shutdown, you might try this. Run as admin and restart.
  • Autoend.bat (917 Bytes, 328 views)

Did you install dot net 3.5? You have to add it via 'Apps and Features"->Manager Optional Features->Add a Feature, it should be right on top. I haven't had any dot net errors.
I did not install it specifically, but my features dialog looks exactly as your screenshot, so it's there.

If it is related to NET app holding up shutdown, you might try this. Run as admin and restart.
Took 2 restarts for some reason, but it worked! Thanks! Of course, I would prefer to somehow fix .NET directly (as the problem seems to be with it), but making Windows shutdown quickly no matter what is good too.

For others: don't forget to run it with admin rights, otherwise it won't be able to modify these reg keys.

If it is related to NET app holding up shutdown, you might try this. Run as admin and restart.
Thank you so much, it works!

If it is related to NET app holding up shutdown, you might try this. Run as admin and restart.
how to run as admin.....sorry I'm a newbie

how to run as admin.....sorry I'm a newbie
Right click on it, select run as admin,


I have tried running this multiple times as admin (with reboots in between) but it hasn't fixed the issue for me unfortunately. Does anyone have any other suggestions?

.NET framework prevents shutdown after Win8.1 ->Win10 upgrade