Originally posted by Afg_scofield2:

I cannot play because of secure servers for one following reasons. The computer blocking my VAC system.

the message you getting, gives you a link to the information what will help you. Always amazes me that people are quick to make a thread, instead of going to the link what the message provides and try the steps. Seeing we the community can only provided the same exact link.

disconnected by vac - https://steamhost.cn/help_steampowered_com/en/faqs/view/22C0-03D0-AE4B-04E8