Windows 11 preview update will break Microsoft Store apps



Windows 11 users may want to hold off on one of the more recent preview updates which is causing problems for .NET Framework 3.5 applications. Thankfully there are some workarounds for the issue, but for now your best bet is to probably avoid the KB5012643 preview for now.

Microsoft acknowledged the issue (via BleepingComputer) in a status update on the official Windows 11 documents. It states the issue is limited to users running version 21H2 of Windows 11 with the KB5012643 update installed and means apps using the .NET Framework 3.5 may not work properly, or even just straight up fail to open. 



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