Microsoft simply fastened the Protected mode points in Home windows 11, however the working system has apparently hit additional issues with the newest cumulative updates. KB5012643, which is an non-obligatory replace with tons of fixes, is crashing apps that use sure parts of the .NET 3.5 framework.
In the event you’ve been utilizing Microsoft’s desktop OS for a very long time, you’ve most likely seen .NET Framework. The .NET Framework may seem in Home windows Replace or throughout the set up strategy of sure apps. Many apps depend on .NET Framework to perform correctly because it features a assortment of code that devs can name when creating their apps.
Merely put, you simply want .NET Framework for sure apps to work. Sadly, a cumulative replace apparently broke the .NET Framework integration within the working system and a few apps are actually crashing. That is occurring to those that have put in the KB5012643 for Home windows 11 model 21H2.
Beforehand, some customers encountered Protected mode and set up points in addition to Blue Display of Loss of life when putting in this specific non-obligatory replace. As Suggestions Hub posts spotlight, there are studies on-line documenting numerous points in Home windows 11’s newest replace, together with a bug the place sure .NET 3.5 Framework apps crash.
“We run an SQL-application (consumer and server on the identical system) on Home windows 11. That was operating easily on Home windows 7 and Home windows 10. After putting in Home windows 11 replace KB5012643, functions received’t begin anymore. Apps do run once more with no issues after uninstalling the replace”, one of many affected customers famous within the Suggestions Hub.
Fortunately, this glitch doesn’t have an effect on all .NET 3.5 Framework-based apps. In a brand new replace to a help doc initially printed on April 25, Microsoft famous that apps utilizing sure parts like Home windows Communication Basis (WCF) and Home windows Workflow (WWF) are affected.
We don’t have a listing of affected apps, however should you’ve been struggling to launch apps on Home windows 11, now you already know why.
So should you’re encountering app crashes on Home windows 11, because the consumer in Suggestions Hub described and later confirmed by Microsoft, it may be price uninstalling the patch to see if that makes any distinction.
Within the up to date doc, Microsoft’s first workaround recommends eradicating the replace manually. To uninstall the replace, observe these steps:
In any other case, the one different resolution is to attempt your luck by re-enabling .NET Framework 3.5 and the Home windows Communication Basis on the Home windows Options Settings web page. You can even run the next instructions to carry out this motion through terminal:
With these non-obligatory updates, there’s all the time an opportunity that you’ll run into undocumented points and that’s why we don’t advocate non-obligatory cumulative or driver updates.
Along with these points, customers are additionally reporting different issues, together with points with Begin, taskbar, USB and extra.