The linked post also solves the issue where the Windows Installer service could not start, and gives the message as Error 5, Access is denied. If the Windows Installer package faces unstable network access during the uninstallation or installation process, sometimes, the error might appear if you fail to complete the process successfully.
A program required for this install to complete could not be run. Contact your support personnel or package vendor. Usually, the Windows Installer or m siexec. You can check in the Task Manager under the list of processes that are running.
However, if you see it constantly running, and the installer keeps coming in front time to time, it means it is stuck. It is possible that an installation is not able to complete, and this happens as a result. Windows many a time blocks application you download from the internet as it does not trust them.
You may have to unblock it or disable your antivirus to fix it. If nothing works, the best option in our experience is to re-register the Windows Installer service. The reason why it works great because it fixes registry issues as well, and gets the basic settings ready again. Launch the command prompt with admin privileges. Type the following commands and hit Enter after each one. Windows OS maintains a Windows Installer cache.
Any files you install is temporarily extracted here and then installed on the PC. Join Date Jun Posts I simply imported. It did not worked for me as well, i have tried following the mentioned solution with reg key from my friends working vista system but no luck. I have checked out the services and it shows that it is started and is set to automatic but when i am trying to uninstall any program from control panel then i get an error message saying "windows installer cannot be accessed".
I have asked about the same to some of my friends and they simply said if there is anything wrong with the registry then i will have to try out reinstalling Vista for fixing it. What will you suggest? Further help regrading this issue will be highly appreciated. Join Date Feb Posts Same here, its not working.
I have imported. I am still getting same error message when i am trying to install programs kike adobe flash player which uses windows installer for that task. Sorry this didn't help. Thanks for your feedback. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.
I have the same question Report abuse. You can turn it on by going to Start , then Run and typing in Services. In newer versions of Windows, just click on Start and start typing services.
Then scroll down to Windows Installer and double-click on it. By default, there should only be one msiexec. If that is the case, then you should rename the extra msiexec file with a. OLD extension. Once you rename it, then you can restart the Windows Installer service. Again, just go to Services and right click on Windows Installer and choose Restart.
Sometimes the issue can be caused by another service called Remote Procedure Call. Go to the Services section again like mentioned above Start, Run, services.
Now click on the Log On tab and under Log on as: , choose Local System Account and tick the Allow this service to interact with the desktop checkbox.
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