We have detected the use of a third-party application in violation of our EULA. Overwatch will now exit

Did you ever use Visor or Pursuit? Both of these applications are in violation of the EULA. Starting with this patch, the game will shut down if it detects the files of either application. Uninstall the application(s) in question and make sure you delete any residual files in your Program Files (x86) folder and your ProgramData folder (both located in the root directory of your C Drive).