Microsoft launched the preview replace KB5012643 for Home windows 11 on April 25, 2022. Preview updates should not put in robotically by way of Home windows Replace; Microsoft makes use of the previews to check the updates and repair potential points that come up by way of person studies or Telemetry knowledge.
It seems that the April 2022 preview replace for Home windows 11 is inflicting points with sure .NET Framework functions after it’s put in on units.
An entry underneath recognized points offers the next info to IT directors:
After putting in this replace, some .NET Framework 3.5 apps may need points or may fail to open. Affected apps are utilizing sure elective parts in .NET Framework 3.5, resembling Home windows Communication Basis (WCF) and Home windows Workflow (WWF) parts.
The problem seems restricted to sure functions that use elective .NET Framework 3.5 parts. Microsoft doesn’t present examples of such functions, however customers might discover crashes or different points when launching affected functions on Home windows 11 units.
Microsoft suggests two mitigations to cope with the problem:
- Take away the Home windows replace KB5012643 from the gadget. Directors might achieve this within the following means:
- Open Begin and sort Home windows Replace Settings.
- Choose View Replace Historical past after which Uninstall Replace.
- Find KB5012643 within the record, choose it, after which activate the uninstall motion.
- Re-enable .NET Framework 3.5 and the Home windows Communication Basis in Home windows Options. IT directors might run the next feedback from an elevated command immediate window to take action:
- dism /on-line /enable-feature /featurename:netfx3 /all
- dism /on-line /enable-feature /featurename:WCF-HTTP-Activation
- dism /on-line /enable-feature /featurename:WCF-NonHTTP-Activation
Microsoft plans to launch a repair in “an upcoming replace”. It’s unclear if this may very well be in subsequent week’s Patch Day updates of Might 2022, or if the problem will likely be mounted in a future replace.
Home windows 10 preview updates don’t seem to trigger the problem on programs they’re put in on.
Closing Phrases
Preview updates, which Microsoft releases on the finish of each month, are beta updates. I recommend to install preview updates only in the event that they handle a serious concern that’s skilled on a tool, in any other case, it might be higher to attend for the ultimate launch on the subsequent Patch Day.
It’s doable that the problem will nonetheless be current within the coming Might 2022 Patch Day replace; if that’s the case, customers might handle the problem by following Microsoft’s options listed above.
Now You: do you run .NET functions?
Abstract
Article Title
KB5012643 for Home windows 11 might crash some .Web apps
Description
The preview replace KB5012643 might trigger .NET Framework utility crashes or points on Home windows 11 units it’s put in on.
Writer
Martin Brinkmann
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