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An IT Engineer with a love for all things IT including (but not limited to), Microsoft Azure, Automation and Service Management!

Service Pack did not install. Reverting changes

This usually happens when a service that is required, the Trusted Installer is not running. Follow the instructions below to repair this.

  1. Click Start
  2. Click Run
  3. Type: services.msc > Press Enter
  4. You should be greeted with a Services dialog list look for TrustedInstaller.
  5. Right click TrustedInstaller and click Properties
  6. Set the TrustedInstaller service to Automatic and click Start
  7. Attempt Service Pack installation again.
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