If the above method fails to fix the windows installer service could not be accessed error, then you may need to re-register the Windows Installer service using the command prompt. To check or start the windows installer service, follow the bellow steps. While install or uninstall any application. If the windows installer service is not running, Stopped working or not responding, then you may face this problem. Check Windows Installer Service Is Runningīefore performing any troubleshooting steps first, make sure the windows installer service is running properly. Now follow the below steps to fix this problem. Windows installer service could not be accessedĪfter understand what exactly do the windows installer and why this show error windows installer service could not be accessed Error while install or uninstall applications. Or may The Windows Installer Service is not running, Also this error can occur if the Windows installer is not registered properly. You install or remove a program that uses the Microsoft Installer Service before you try to install the program on your computer. Maybe the Windows Installer files on the system are either missing or corrupt. This windows installer service could not be accessed Error can occur due to different reasons, some of the most common are.
