Windows 10: Fix Trustedinstaller/Cant Use sfc /scannow/ Cant install windows updates!

First thing is, Is trustedinstaller a virus? I have had alot of hours online trying to find out about if this is safe or not because it wouldnt let me delete things that i needed to. I had a virus that i couldnt delete do to trustedinstaller blocking me so then i went online to find out how to stop trustedinstaller and It worked:because of this I noticed a few things werent working propabley anymore like sfc /scannow <that no longer works and I cant install updates any more

:)

 

SFC /Scannow won't start

I tried to run SFC /Scannow but got the error message "Windows Resource Protection could not start the repair service".

I saw on the web that this usually indicates that the Windows Module Installer and/or Trusted Installer is not running. The Windows Module Installer was running but I issues the start for it anyway. It didn't help. I rebooted. Still couldn't run SFC.

Windows: Fix Error
suggested the following procedure:

1. Select “Start” and type “CMD“.
2. Right-click “Command Prompt” then choose “Run as administrator“.
3. If prompted, enter a username and password that grants admin rights to the computer.
4. Type “sc config trustedinstaller start=auto“, then press “Enter“. You should get a “SUCCESS” message.
5. Type “net start trustedinstaller“, then press “Enter“. You should receive a message that the service was started.

All that worked as described, but SFC still refuses to start.

Do I have any choices short of clean reinstall? I did a clean install of 1511 (actually, to of them) but just an upgrade-in-place for 1607. I have a lot of software installed and reinstalling them after a clean reinstall takes more time than I can afford right now.

 

Windows 10 update making sfc /scannow not working

I just recently updated to KB 4528760, upon checking the update history it is stated that the update failed to install, however my PC actually updated to it. Also now the sfc /scannow is not working it states Windows resource protection could
not start the repair service. I already tried this method:

Step 1: Press Windows and R keys together to launch
Run dialog, and input services.msc
in the box, then click OK

to continue.

Step 2: In the popup window, select the Windows Modules Installer and double-click it.

Step 3: You will see Windows Modules Installer Properties window, set Startup type as
Manual, then click Apply and OK to confirm this change.

Step 4: Close the services window. Then type cmd in the search box of Windows 10 and right-click
Command Prompt to choose Run as administrator.

Step 5: Type the following commands in the command window and hit
Enter to continue after each command.

sc config trustedinstaller start= demand

net start trustedinstaller

But it didn't fix the problem.

I wanted to uninstall the update or reinstall the update and check to see if it fixes the problem. Please give me suggestions on how to fix the issue. I don't want to start over reinstalling the OS. It's frustrating.

 

sfc /scannow

Hi,

My name is Angel. I am an Independent Advisor. Thank you for posting in Microsoft Community.

To try solve Windows Resource Protection could not start the repair service, we suggest that you follow the steps below:

1. Select Start, and type CMD.

2. Right-click Command Prompt; then, choose Run as administrator.

3. If prompted, enter a username and password that grants admin rights to the computer.

4. Type sc config trustedinstaller start= auto; then, press Enter. You should get a SUCCESS message.

5. Next, type net start trustedinstaller; then, press Enter. You should receive a message that the service was started.

6.Try the sfc /scannow command again.

Hope the information provided is useful. If the issue persists, reply here and we will be glad to help you.

Angel.