Dota2 prompts VAC shielding solution:
I. Network Management
Log out of Steam (dota2 client) and restart your computer. Here, the reason why players receive the "dota2 prompt VAC blocking" is probably because the VAC service component is reinitialized.
II. Complete verification file
File corruption due to incorrect application shutdown or abnormal computer shutdown. At this moment, you need to verify file integrity.
III. Internet cafe system problems
Due to the special nature of Internet cafes, some systems may be blocked.
Solution: First, check the Windows Firewall Service status in the "services" window. If it is in the "disabled" status, double-click it, change the startup mode to "automatic", and start the service, if the service is in the "manual" status and is not running, start the service. Then, use the authority to run the client, and ensure that the steamservice.exe process is enabled.