neowin[.]net/news/windows-11-kb5008295-released-to-insiders-to-fix-apps-not-opening/
The Snipping Tool, Touch Keyboard, Voice Typing, Emoji Panel, and a few more apps stopped working in Win11 on November 1st because of an expired certificate -- BIG OOPs on Microsoft's part. They 1st provided a workaround, then a patch to Insiders, before finally seeing the light and releasing the fix to everyone running Win11.