partitionwizard.comИзображение:partitionwizard.comThis can be due to corrupted files, but you can fix that with SFC or DISM scan. Defrag won’t run in Safe Mode – Several users reported that they can’t defrag their drive in Safe Mode. This usually happens if your installation is corrupted. If SFC or DISM scan can fix this problem, you might have to reinstall Windows 10.If Windows 10 defrag not working issue still persists, you can try running Disk Defragmenter in Safe Mode. Safe Mode enables users to run with only default settings and drivers, which can minimize the software conflicts and help fix the defrag issue.
Why can't I DeFRaG my computer in safe mode?
This can be due to corrupted files, but you can fix that with SFC or DISM scan. Defrag won’t run in Safe Mode – Several users reported that they can’t defrag their drive in Safe Mode. This usually happens if your installation is corrupted.
How do I fix Windows 10 Disk Defrag not working?
Use Disk Defragmenter in Safe Mode If Windows 10 defrag not working issue still persists, you can try running Disk Defragmenter in Safe Mode. Safe Mode enables users to run with only default settings and drivers, which can minimize the software conflicts and help fix the defrag issue.
How to fix defdefrag problems in Windows 7?
Defrag problems are often related to disk corruption. Inside Windows - Regular or Safe Mode (repeatedly tap F8 as you boot). Run checkdisk - schedule it to run at next start and then Apply OK your way out then restart. How to Run Disk Check in Windows 7
What to do when Windows 10 can't enter safe mode?
Safe Mode in Windows 10: Use The System Configuration Tool when can’t Enter Safe Mode: Using the Shift+ Restart combination when you can’t enter Safe Mode: Use F8 or Shift + F8 when can’t enter Safe Mode: Conclusion:

Below are two helpful articles on a similar topic 👇
Does your Windows 10 computer need a defragmentation?How to optimize to defragment the storage device?