Although it is powerful, sometimes it faces some challenges, such as Disk Cleanup not deleting files.
MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe
Fix 1.
It is an effective solution if Disk Cleanup is not deleting your files.

First, typeDisk Cleanupin the Windows search box.
Second, right-clickDisk Cleanupand selectRun as administratorfrom the context menu.
See Also:Top 7 Fixes to Disk Cleanup Stuck on Windows Update Cleanup
Fix 2.
![]()
Heres how to check and modify file permissions:
Step 1.
In File Explorer, right-grab the file that cannot be deleted and selectPropertiesfrom the context menu.
Move on to theSecuritytab, then choose the current user account and peek if it hasFull controlpermission.

If not, click theEditbutton.
In the pop-up window, select your account and check that theFull controlpermission is set toAllow.
After that, run Disk Cleanup again and test whether the target files can be deleted successfully.
![]()
Fix 3.
Run DISM and SFC
Corrupted system files can also be responsible for the Disk Cleanup not deleting files issue.
In the Windows search box, inputcmdand right-clickCommand Promptfrom the best match result to selectRun as administrator.

Select theYesoption in the UAC window.
In the command line window, inputDISM.exe /Online /Cleanup-image /Restorehealthand pressEnter.
Next, typesfc /scannowand pressEnter.

After executing the command lines, it’s possible for you to see if the issue still exists.
Fix 4.
Right-click theWindows logobutton to selectRun.
In the text box, pop in%temp%and pressEnter.
Press theCtrl + Akey combination to select all temporary files, then right-hit them to selectDelete.
Fix 5.
In the right panel, clickConfigure Storage Sense or run it now.
On the next page, you might turn on Storage Sense and set which files to delete.
Apart from Storage Sense, professional PC partition management tools can used to delete files.
MiniTool Partition Wizard is such a reliable andfree partition manager.
you’ve got the option to download MiniTool Partition Wizard and try it out for free.