KB4598242 CU Windows 10 v2004 build 19041.746 and v20H2 19042.746 Win Update

midgo said:

I can never successfully run the sfc /scannow command on my machine except in safe mode for some reason.
DISM commands work fine.
I have never been able to work out why this is...


sfc normal mode...
Attachment 315003

sfc safe mode...
Attachment 315004

DISM Normal...
Attachment 315012

Any thoughts appreciated...

in elevated command prompt run chkdsk /r

reboot when it ask and after try sfc again

yes,

Unlike defragging that is more focused on writing, CHKDSK does more reading than writing to the drive. To be specific, when running, CHKDSK will read the drive data to confirm if everything is fine. ... Therefore, running CHKDSK doesn't do harm to your SSD. So you needn't worry after you accidentally run CHKDSK on SSD.Mar 6, 2018

midgo said:

Even on an SSD???

Yes, no harm in that or reason why not.

midgo said:

thomaseg1 said:
in elevated command prompt run chkdsk /r
reboot when it ask and after try sfc again



No luck still the same even after chkdsk /r...

check #4
[Fix] Windows Resource Protection Could Not Perform The Requested Operation - SFC /Scannow Error Message - Troubleshooting Central

Modify the Security Descriptors on the Winsxs Folder

If the error message still pops up, it suggests that the problem has nothing to do with the disk errors. Then continue to check another possibility - the SFC utility cannot access the Winsxs folder (C:\Windows\winsxs) because of some issues with the folder's security descriptors.
Step 1: Open the command prompt by following the above steps.
Step 2: In the Command Prompt window, Type ICACLS C:\Windows\winsxs and press "Enter".
Step 3: Wait until the command is executed, then close the Command Prompt.
Step 4: Restart your computer and run SFC again to check if the problem has been fixed.

midgo said:

check #4
[Fix] Windows Resource Protection Could Not Perform The Requested Operation - SFC /Scannow Error Message - Troubleshooting Central


Thanks for the replies guys.
I have already tried these suggestions and others in the past with no success.
I again tried these two and still no luck.
I even tried offline sfc repair suggestions using the command prompt but got the reply
"Windows resource protection could not start the repair service"...
Oh well I guess I can just go into safe mode to run sfc if I need to...

You could try a repair install and keep your programs and data. Repair Install Windows 10 with an In-place Upgrade