FIX: Windows Resource Protection could not start the repair service

Windows Resource Protection could not start the repair service is quite a normal error to receive when attempting to start a System File Checker scan. The problem is caused by trustedinstaller service not running properly.

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Resolving this problem

Method 1: Using Services.msc

1. Press the Windows + R key on your keyboard at the same time and then type services.msc and hit enter.

Run Services
Run Services

2. Then find Windows Modules Installer or TrustedInstaller and doubleclick it.

TrustedInstaller
TrustedInstaller

3. Now click the Start button.

Services Start
Services Start

 

Then try to run SFC again and see if it now works.

Method 2: Using Elevated Command Prompt

1. Start an Elevated Command Prompt (Run as Admin)

2. Enter the following command:

net start trustedinstaller

3. Hit enter.

Net Start TrustedInstaller
Net Start TrustedInstaller

 

Now try to run SFC again and see if it now works.

Yuri Pustjens
About the Author

2014, 2015, 2016, 2017 and 2018 Microsoft Most Valuable Professional Windows
Yuri specializes in troubleshooting (crash analysis and devices), system resource utilisation and system performance. He is also very interested in Customer Security. Yuri can be found as Windows Community Moderator and Wiki Author on Microsoft Answers and is active on different communities all across the web.

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