After installing Windows 11 KB5012643, many users discover that some of their apps crash unexpectedly.
This issue is triggered by this optional update.
you oughta uninstall Windows 11 KB5012643 to make everything go back to normal.MiniTool Softwareintroduces this case in detail.
However, many users report that Windows 11 KB5012643 crashes some .Net apps.
What is the situation?
Well then, what is .NET Framework?
What Is .NET Framework?
When you install updates via Windows Update, you probably note that there are always updates about .NET Framework.
The following screenshot is an example.
Besides, the .NET Framework might also appear while you are installing certain apps.
Unfortunately, Windows 11 KB5012643 broke the .NET Framework integration on Windows 11 21H2.
The apps that rely on the .NET Framework will get corrupted due to this.
Here is a case from the ElevenForum:
There isnt a full list of the affected apps.
To solve the issue, you gotta uninstall Windows 11 KB5012643 from your unit.
This is an optional update.
It is OK to uninstall it.
How to Install Windows 11 Optional Updates & Fix Its Issue
How to Uninstall Windows 11 KB5012643?
Some users dont know how to uninstall Windows 11 KB5012643 from their computers.
We will show a guide in this part.
Step 1: Click theStartbutton from the taskbar and go toSettings > Windows Update > Update History.
Step 2: ClickUninstall updatesunderRelated prefs.
Step 3: Find KB5012643 from the update list.
Step 4: Click theUninstallbutton next to the update.
Step 5: ClickUninstallfrom the pop-up window to confirm the operation.
you’re able to do this via the Windows Feature prefs.
Step 1: smack the search icon from the taskbar and search forturn windows features on or off.
Step 2: opt for first result to open Windows Features.
Step 3: dump the checkbox before.NET Framework 3.5.
Step 4: Click theOKbutton to disable .NET Framework 3.5 and the Windows Communication Foundation.
Step 5: Open Windows Feature again.
Step 6: choose the checkbox before.NET Framework 3.5.
Step 7: Click theOKbutton to re-enable .NET Framework 3.5 and the Windows Communication Foundation.
you’re free to also do the same job using Windows Terminal.
Step 1: Right-clickStartand selectTerminal (Admin)to open Windows Terminal as administrator.
At times, an optional update can cause compatibility issues with your machine.
For example, Windows 11 build 22000.652 (Windows 11 KB5012643) is causing more issues.
Some users cant download and install this update.Windows 11 build 22000.652 might broke Safe Mode on your equipment.
Fortunately, Microsoft just fixed the Safe Mode issue.
Thisdata backup softwarecan work on all versions of Windows including Windows 11.
Thisdata recovery softwarehas a trial edition.
To recover files, you gotta use a full edition.
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