Vanguard crashs Pc (I think)

Hey since I have valorant sometimes my pc just restarts often when I am away and it goes to standby mode when I move my mouse again in restarts but sometimes also when I am just watching yt (never when i play valorant) and I think its maybe smething with vanguard because I think how it works is it looks
through your pc and looks for 3 party software, does anyone else have this problem?