Windows 10 21H1 issue reported
Windows 10 21H1 issue reported
Navigate to settings, then update and security, view update history, and uninstall updates.
Choose the Windows update version 21H1 clearly marked, and proceed carefully.
Uninstall it now and give it a try!
I've noticed this with many users too; I usually wait a few months after a big update before confirming it's working properly.
It might be the 0 driver from the anti-cheat system (Vanguard) that Valorant employs. These ring 0 drivers have full access and can lead to various issues.