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Windows 7: sfc /scannow stops at 69% ...could not perform the requested operation

20 Nov 2012   #1
Kratos Aurion

Windows 7 Home Premium x64
sfc /scannow stops at 69% ...could not perform the requested operation

Again, sorry if I posted this on the wrong section...

Anyway, in the beggining of the year I got the infamous malware that infected many PC's worldwide (can't remember the name) and got my action center completely destroyed. I eventually fixed it, by adding the Security Center service that was gone, but one issue still remains: the action center system tray icon is greyed out, and impossible to turn back on!

I searched online, and the most common solution i've found was to run the sfc /scannow command. So I did, and for some reason it stops at 69% and after about a minute stuck at that number it says: "Windows Resource Protection could not perform the requested operation" I tried multiple times, but the same error happens every time. So I searched for this error, and not a single solution i've found worked (and i've only found like 2 solutions).

How can I fix this error, without re-installing the OS? Or is this only solved that way?

Thank you for your time.

My System SpecsSystem Spec

20 Nov 2012   #2
Microsoft MVP

64-bit Windows 8.1 Enterprise

Hello Kratos,

Since malware/virus was involved, you might consider doing a clean reinstall of Windows 7 to help make sure you are fully clean. You just never know what may still be lingering around.

Usually when you get the Windows Resource Protection Could Not Start the Repair Service error, check to make sure that the Windows Modules Installer service is enabled and set to Manual.
Services - Start or Disable

You might see if using the tutorial below may be able to help enable the Action Center system icon.
System Icons - Enable or Disable
Hope this helps for now,
My System SpecsSystem Spec
21 Nov 2012   #3
Kratos Aurion

Windows 7 Home Premium x64

Thank you for the reply, and sorry for putting this on the wrong section...

Well yeah I know a clean reinstall will solve everything, but I really wanted to avoid that and explore other possibilities :S

Yes, the Windows Modules Installer is enabled and manual. I tried the option two in that tutorial a long time ago, but didn't solve my problem...

I guess the only solution then is a clean reinstall...damn. Thank you for the help anyway
My System SpecsSystem Spec

21 Nov 2012   #4

Microsoft Community Contributor Award Recipient

Win 7 Pro 64-bit

I agree with a clean install. Especially after a malware problem. But one other thing that can contribute to sfc stalling is hardware. It's possible that a memory module isn't seated correctly or that it failed. (Happened to me on a Sony Vaio. One of my memory sticks went bad. SFC kept stalling at 52%.) Also a possibility that the hard drive is going bad. Just a thought.
My System SpecsSystem Spec

 sfc /scannow stops at 69% ...could not perform the requested operation

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