You've a game ban. This may be for variety of reasons - including cheating, griefing etc.
CS2 game ban
https://help.steampowered.com/en/faqs/view/4E54-0B96-D0A4-1557
Other games
https://help.steampowered.com/en/faqs/view/46DB-4CEC-F7E9-49E5

Originally posted by Maxo_el_paxo:

vac ban
why ban?

1 game ban on record | Info
275 day(s) since last ban

why wait 275 days to ask such a question, besides if you want the answer to your question then go to your profile and click on the info next to the ban. bans are permanent