You might try to just uninstall Steam, remove all folders and keys that have "Valve" and "steam" in their names/values, and then install Steam with games from scratch, but I doubt it will fix anything.
I have my fair share of freaking microfreezes almost since the beginning of my PC's life, buying an SSD made them lighter but fixed nothing, I guess may be it has something to do with faulty BIOS updates or your RAM goind to hell, but not sure, I've been living with those microfreezes for like 3 years so no idea how to fix them.
By the way, when you first start CS:GO and press that "gearwheel" to open ingame settings - does it freezes for like 0.5 sec too or is it just me?
2022-05-19 17:00