How to Fix the Windows Installer Service Could Not Be Accessed in Windows 11/10/8/7

This error occurs when the Windows Installer service is either corrupted, disabled, or malfunctioning, preventing you from installing or uninstalling programs. To fix it, you can restart the Windows Installer service via the Services Manager, re-register the Windows Installer, or repair corrupted system files using System File Checker (SFC). In some cases, updating your Windows Installer version or performing a system restore may be necessary.

Command used:

sfc /scannow
dism /online /cleanup-image /restorehealth

00:00 Intro
00:20 Solution 1
01:11 Solution 2
01:52 Solution 3

In This Video:
how to fix the windows installer service could not be accessed in windows 11/10/8/7

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#WindowsInstallerError #InstallationIssue #ServiceRepair