How to Fix Windows Installer Service Could Not Be Accessed Error?

Windows Installer Service could not be accessed error is a common issue among Windows users. This error usually occurs when the user is trying to install certain software or applications. The error can be frustrating as it prevents users from installing the software or application. Fortunately, there are several methods that can be used to fix this issue.

1. Unregister and Re-register Windows Installer

The first step to fixing the issue is to unregister and re-register the Windows Installer service. To do this, open Command Prompt as an administrator. Then type ‘msiexec /unreg’ and press Enter. Then type ‘msiexec /regserver’ and press Enter. This should fix the issue.

2. Restart the Windows Installer Service

Another way to fix the issue is to restart the Windows Installer Service. To do this, open the Run dialog box by pressing the Windows key + R. Then type ‘services.msc’ and press Enter. Then look for the Windows Installer service, right-click on it and select ‘Restart’.

3. Repair the Windows Installer

The third method to fix the issue is to repair the Windows Installer. To do this, open the Control Panel and then go to Programs and Features. Then click on the ‘Turn Windows features on or off’ option. Then enable the Windows Installer option and click ‘OK’. This should fix the issue.

4. Run the System File Checker

The fourth method is to run the System File Checker. To do this, open the Command Prompt as an administrator. Then type ‘sfc /scannow’ and press Enter. This will scan the system for any corrupt files and replace them with the correct ones.

In conclusion, Windows Installer Service could not be accessed error is a common issue among Windows users. Fortunately, there are several methods that can be used to fix this issue. These methods include unregistering and re-registering the Windows Installer service, restarting the Windows Installer service, repairing the Windows Installer, and running the System File Checker.