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SFC SCANNOW Windows Resource Protection could not perform the operation

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1 SFC SCANNOW Windows Resource Protection could not perform the Fix operation from Services
2 SFC SCANNOW Windows Resource Protection could not perform the operation Solution by checking the disk
3 SFC SCANNOW Windows Resource Protection could not perform the operation Solution using Safe Mode
4 SFC SCANNOW Windows Resource Protection could not perform the operation Solution from Advanced Reset

SFC (System File Checker - System File Checker) is a tool integrated into Windows with which it will be possible to analyze the NTFS file system to detect failures and errors that can have an impact on the system itself and on applications, when we use SFC there is a special parameter called scannow which checks the entire file system and automatically corrects errors if they appear, scannow can generate results like:

  • Windows Resource Protection found no integrity violations: This message indicates that there is no missing or corrupted system file
  • Windows resource protection could not perform the requested operation: in case of seeing this error we must run scannow in Safe Mode
  • Windows Resource Protection found damaged files and repaired them correctly: indicates that errors have been detected and corrected, the result can be found in the path %WinDir%\Logs\CBS\CBS.log
  • Windows Resource Protection found corrupted files but could not fix some of them: faults are detected and only some are fixed, the details will be available in the path %WinDir%\Logs\CBS\CBS.log

 

 

In case you see the error that sfc /scannow cannot perform the operation TechnoWikis has a series of steps to correct the error and run the scan fully..

 

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1 SFC SCANNOW Windows Resource Protection could not perform the Fix operation from Services


In Windows 10/11 most of the processes are linked to services and in the case of SFC the associated service is Windows Modules Installer, this is a service that enables the installation, modification and removal of updates and optional components of Windows.
Open Services:

 

Step 1


image

 

Step 2

Locate the "Windows Modules Installer" service:

 

image

 

Step 3

Open the service and check that "Startup type" is set to "Manual":

 

image

 

Step 4

After this open the terminal as administrator:

 

image

 

step 5

Execute:
 sfc /scannow 
image

 

step 6

Wait for the process to finish:

 

image

 


2 SFC SCANNOW Windows Resource Protection could not perform the operation Solution by checking the disk

 

Step 1

Another cause of this error can be problems directly with the hard disk, in this case it will be possible to check the disk to rule out failures. Open the terminal as administrator:

 

image

 Run: chkdsk /f /r 
Step 2

We enter the letter "S" to confirm the process:

 

 

 

image

 

The next reboot will scan the hard drive.

 


3 SFC SCANNOW Windows Resource Protection could not perform the operation Solution using Safe Mode


If sfc scannow does not work in normal Windows mode we can resort to Safe Mode which is a mode that does not load most processes for better management.

 

Step 1

To use Safe Mode in the browser we enter "msconfig" and select the utility:

 

image

 

Step 2

In the "Boot" tab we activate the "Error-safe boot" box and leave the default option:

 

image

 

Step 3

Apply the changes and restart Windows:

 

image

 

Step 4

Windows will be restarted:

 

image

 

step 5

Sign in to safe mode:

 

image

 

step 6

Open CMD and run:
 sfc /scannow 
image

 

step 7

Wait for the process to finish:

 

image

 

step 8

Restart Windows:

 

image

 


4 SFC SCANNOW Windows Resource Protection could not perform the operation Solution from Advanced Reset


Step 1

Another option to use is to open the command prompt console through Advanced Startup, for this case we go to "Start - Settings - System - Recovery":

 

image

 

Step 2

We will see the following when accessing there:

 

image

 

Step 3

We click on "Restart now" and confirm the action:

 

image

 

Step 4

Clicking on “Restart Now” will reboot the system in this mode:

 

image

 

step 5

Click on “Troubleshoot”:

 

image

 

step 6

Now click on “Advanced Options”:

 

image

 

step 7

Then we click on "Command Prompt":

 

image

 

step 8

Execute:
 sfc /scannow 

image

 

step 9

Wait for the process to finish:

 

image

 

step 10

We exit the console and click "Continue" to restart Windows:

 

image

 

With each of these methods it is possible to recover the optimal functioning of sfc /scannow since it is one of the most important tools in Windows to rule out problems in the file system which in the end manages the entire system..

 


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