Microsoft recommends NOT updating to version 24H2 until the issues are fixed. Please uninstall Windows 11 24H2: go to Settings>/system>Recovery>Go back to access the "rollback" option which will allow you to revert to the previous version of Windows you had before installing 24H2
The Windows 11 24H2 update has caused issues for gamers (not isolated to iRacing) including crashes, glitches, and problems with anti-cheat systems (like EasyAntiCheat (EAC/EOS)). Microsoft is working on a fix for the EAC compatibility issues. 1/2