Given the suspicious naming convention (cls-lolz), this file could be part of a game cheat tool, but it could also be malware disguised to appear harmless.
Recommended scanners:
If any scan flags cls-lolz x64.exe as a threat, quarantine or delete it immediately. failed to start cls-lolz x64.exe
Given the name cls-lolz (likely a reference to “clear screen” + “laughs” / “lulz”), the target audience appears to be:
This is not software for general consumers. If you downloaded it expecting a legitimate game or mainstream tool, you should delete it immediately and run a full antivirus scan. Given the suspicious naming convention ( cls-lolz ),
When you try to run cls-lolz x64.exe, Windows Real-time Protection scans the file. It recognizes the behavior as potentially unwanted (packing, injecting code, memory editing). Instead of deleting it outright (which would show a different error), it may quarantine a critical component or block the process from spawning. The result: "Failed to start."
Follow these steps in order. Test after each one to see if the error resolves. If any scan flags cls-lolz x64
Follow these solutions in order. Start with the simplest, non-intrusive methods and work your way to more advanced fixes.
If the path contains special characters or is very long, the cls-lolz tool might fail to parse the string.