[2019] Launch Error Unexpected error (0xC0020015)

This is an error produced by our anti-cheat service, Easy Anti-Cheat. If you haven’t already, please repair Easy Anti-Cheat using the EasyAntiCheat_Setup executable located here:

C:\Program Files (x86)\Steam\steamapps\common\Warhammer Vermintide 2\installers\EasyAntiCheat

Furthermore, please ensure the appropriate Anti-Virus and Firewall exceptions are in place for both Vermintide 2 and the Easy Anti-Cheat service.

Lastly, please check that the Easy Anti-Cheat service is enabled by:

1. Open the Command Prompt as an administrator
2. Enter the command:
   services.msc
3. Locate Easy Anti-Cheat within the list and double-click it
4. Change ‘Startup Type’ to ‘Manual’
5. Save your changes

If the above solutions are unsuccessful, I’d recommend you reach out to Easy Anti-Cheat directly: https://www.easy.ac/en-us/support/game/contact/tech/

Have you tried repairing Vermintide 2 as well in Steam? (I assume you have)

Which version of Windows are you using?

Do you have the lines above this one? Might be helpful.