
NET Framework 3.5, such as Windows Communication Foundation (WCF) and Windows Workflow (WWF) components." The. Microsoft says, "Affected apps are using certain optional components in. Notably, the update's notes has a section labeled "Known issues with this update." In that section it says it may cause some. It's a cumulative update to the operating system with a lot of small changes. The update in question is KB5012643 (Opens in a new window), which was released on April 25th. At this time it's unclear which apps are affected by the issue, leaving uninstallation as the only viable solution. The problem involves an interaction between the update and the.

Reports indicated the update, which is optional, is causing various apps to crash.

In what can only be described in technical terms as a "whoopsie," Microsoft is advising Windows 11 users to uninstall a recent update.
