I'm not a w11 user, but do restore points take up lot of space? Like or more the old wins, I mean.
And I asked google AI about the issue, CapabilityAccessManager.db it can be disabled.

 

Use Disk Cleanup Tool:

• Press Windows + S and type Disk Cleanup.
• Right-click on Disk Cleanup and select Run as administrator.
• Select your system drive [usually C:/]
• Click Clean up system files.
• Wait for the scan to complete.
• Check System Restore and Shadow Copies (if available).
• Click OK and confirm to delete these files.

Für deutsche Benutzer ist der Begriff: Datenträgerbereinigung

How (and why) to run Windows' Disk Cleanup tool

 

Last edited: May 2, 2026 at 10:51 AM

Spacesniffer

 

Maybe you have been a victim of a fake hard drive. That has half size which brand is you hdd? And where did you get it ?


Edit: Just red all the comments and glad you solved it.

 

The only time I had a problem similar to this it was a file related to VSS (volume shadow copy service). Don't remember the details though, like where it was located.

 

On most installations, VSS is only used by "System Restore Points", so limiting SRP size should cap VSS size too.

SRP can be accessed via systempropertiesprotection.exe on Windows 10, don't know about 11 though.

Otherwise, in an elevated command prompt - should work on all versions:

vssadmin Resize ShadowStorage /On=C: /For=C: /MaxSize=2GB
vssadmin Resize ShadowStorage /On=D: /For=D: /MaxSize=2GB

 

I appreciate everyone taking the time to comment and offer suggestions. Disk Cleanup got me 5 GB. I setup some symlinks about a month ago with help in a different thread.

No matter what, I need a bigger SSD. After I do that, I might revisit this mystery. Thanks again.