System optimization unable to clear cache
4.5
Temporary files and app caches remain on the disk even after a cleanup attempt.
Symptoms
- Disk space doesn't increase
- "File in use" errors
- Old data persists in apps
Possible Causes
- Apps running in background
- Locked system files
- Permission denied
Step-by-Step Fix
1
Close All Apps
Ensure browsers and heavy apps are completely closed before cleaning.
2
Clean in Safe Mode
Safe Mode prevents most apps from starting, making their cache files easy to delete.
3
Manual Deletion
Navigate to %TEMP% and delete the files manually.
When to See a Technician
Some cache files are "locked" by the OS and can only be cleared during a reboot.
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