21H1 - Problems with DAWs/VSTs?

Andy Gorbould 6 Reputation points

Hi, after unwittingly installing 21H1, all of my audio programs (Ableton/Reaper) have problems with VSTs; making them crash the programs within seconds.

I have tried to troubleshoot everything I can think of so far (graphics driver updates, audio device updates, uninstall/reinstall, regedit & reinstall), but none of this seems to be working. Going back to 20H2 isn't working either.

I vaguely remember having a similar problem around a year ago & it turned out to be something like the Windows update removing parts of the .NET framework or something similar. Unfortunately I can't remember the exact details or how I managed to rectify the problem.

Please. Help. :)

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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  1. Teemo Tang 11,201 Reputation points


    If go back to 20H2 still doesn’t help, system restore seems to be a feasible method, which can restore system to a previous healthy timepoint.
    If you don’t have this recovery point, after you roll back to 20H2, try to Reset this PC, then system will reinstall 20H2, if issue is caused by update, this time issue should be fixed.


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