Run the game.exe file directly from the installation directory (this will circumvent the launcher all together).Exit Steam and start it as Administrator (right click Steam.exe > Run as administrator).If none of the above first steps work please try the following: Make sure that both Steam and the game is installed on the same partition, preferably your C:.If it's in your quarantined list please restore the file and try again. Check your antivirus quarantine section as we've found that occasionally the bootstrapper-v2.exe file gets falsely flagged as a virus.exe file are on the allowed list for both Windows Defender-Ransomware and your antivirus program If you're experiencing issues with your launcher when you try and run a game from Steam please try the following solutions: If the launcher appears to run fine but the game will not start from it, you almost certainly have a separate game or Windows problem.
NOTE: this process ONLY applies to launcher problems.