"failed to start cls-srep_x86.exe" (or the x64 version) typically occurs during the installation of a FitGirl Repack. This file is a decompression component used to unpack highly compressed game data. Why it happens The most common cause is your Antivirus or Windows Defender
This executable is most commonly launched under the following scenarios: failed to start cls-srep x86.exe
Symptoms:
Option 4: Very Concise (Command line / Debug) "failed to start cls-srep_x86