"Failed to start cls-lolz_x64.exe" typically occurs during the installation of game repacks (often from FitGirl Repacks DODI Repacks
Install Required Visual C++ RuntimesThese executable files require specific libraries to run. Missing VC Redist packages are a leading cause of "Failed to start" errors. failed to start clslolz x64exe repack install
If standard methods fail, some users have found success by manually editing the installer files: "Failed to start cls-lolz_x64