If KRNL-Injector failed to find the Roblox process, delete KRNL App data and see. If that doesn't help follow the solutions mentioned in this post to resolve the issue.

I took on one of the hardest Roblox challenges out there - a 99% fail obby for Robux - and it was as brutal as it sounds. In this video, I test my skills (and patience) trying to beat a course ...

If you get the Failed to create directory message with error=3 when starting Roblox on your Windows PC, use these proven fixes.