Welcome to the group.

DO NOT, I REPEAT DO NOT LOAD TF2. there has been report of an exploit in tf2 & csgo please don't load them the exploit has the ability to wipe your account for steam and possibly your pc. i don't have much info on the exploit but there are reports of the exploit deleting profiles for steam and a few claiming data on the pc was wiped this is for your account safety don't log in. you have been warned.