Discussed a lot lately, the issue that might cause a blue screen when you attempt to print to certain printers using some apps after installing the latest March Patch cumulative updates.
Update March 19: Microsoft released a second update for this issue. Read more
Microsoft quickly released a fix today to bring everything back to normal. So that you don’t have to use the complicated workaround released earlier this week.
Windows 10, version 2004, 20H2, 21H1
Addresses an issue that might cause a blue screen when attempting to print to certain printers using some apps and might generate the error, APC_INDEX_MISMATCH.
Your build number will be updated to 19041.868 or 19042.868 and 19043.868 for who is on Windows 10 21H1 already.