Rather than providing a "crack" or "torrent" for Avast Cleanup Premium—which often carries significant security risks like malware, ransomware, and identity theft—it is much better to look at how to optimize your PC safely and legally.
: Open Task Manager (Ctrl + Shift + Esc), go to the Startup tab, and disable apps you don't need immediately.
: If you are on Windows 10 or 11, this built-in tool automatically clears out junk files and empties your recycle bin. How to Manually Speed Up Your PC for Free
: Modified software often causes system crashes and registry errors, the very things you are trying to fix.