The update for Windows 11 21H2 this month is designated KB5013943 and will take your system to OS Build 22000.675.
If it doesn't screw your computer up first.
Were I you, I'd put off getting this Patch Tuesday update for a while...at least until MS can fix it.
Neowin has published regarding patch KB5013943 and its associated problems today and thanks to Hankers tipping me off, you might just avoid some problems.
You can read about the issues in the article linked above. Apparently reinstalling .Net framework 3.5 solved the problems for some, but this isn't an official fix, and it didn't fix the Event Viewer.
Forewarned is forearmed...thanks, Hank.
*edit: PhoenixRising1 has also found an excellent link regarding this MS patch at Bleeping Computer. Thanks, PhoenixRising1!