Solution to the problem that the Windows Installer service cannot start

This tutorial mainly provides a solution when the Windows Installer service in win10 and win11 systems is in a gray state and cannot be started.

Table of contents

Solution

1. Enter the registry

 2. Find the following path

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Solution

1. Enter the registry

regedit

 2. Find the following path

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\msiserver

There is a security subkey below. After deleting it, restart the computer.​