system drive needs optimization windows 10

If SFC or DISM scan can fix this problem, you might have to reinstall Windows 10. This usually happens if your installation is corrupted.

Defrag won’t run in Safe Mode – Several users reported that they can’t defrag their drive in Safe Mode.

This can be due to corrupted files, but you can fix that with SFC or DISM scan.

W indows D isk D efragmenter not working – Many users reported that Disk Defragmenter isn’t working at all.

However, you should be able to fix it by using one of our solutions.

Windows 10 defrag optimization not available – This is another problem that can appear on Windows 10.

If that’s the case, try running Disk Defragmenter from Safe Mode or from a different user account.

D isk D efragmenter service missing W indows 10 – Many users reported that Disk Defragmenter service is missing on Windows 10.

Speaking of issues, these are some of the most common problems with Disk Defragmenter: Many users frequently defragment their drive in order to achieve maximum performance, however sometimes issues with Disk Defragmenter can occur.

System drive needs optimization windows 10