Click OK. Double-click the AppData folder to open it. If Windows needs your permission to continue click Continue. Double-click the Local folder to open it. Right-click on the Temp folder and choose Delete. In the confirmation dialog that appears click Yes. If you are unable to delete the Temp folder, close all programs, especially those in the Notification area "System Tray" of the Windows Task bar and repeat step Restart your computer. Step 3: Removing iTunes. Note: iTunes Store purchases or songs imported from CDs are saved in your My Music folder by default and are not deleted by removing iTunes.
Quit iTunes. From the Start menu, click Control Panel. In Control Panel, click Uninstall a program. The Programs and Features Control Panel opens. To resolve this issue, use Method 1. If Method 1 does not resolve the issue, use the next method that is listed until you resolve the issue.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: How to back up and restore the registry in Windows To reset the Windows Installer Service settings in the registry, create a registry file by using Notepad.
Then, run the file to update the registry key. To do this, follow these steps:. Click Start , and then type Notepad in the Search box. Click File , click Save As , and then name the file Msirepair.
In the Save in box, click Desktop , and then click Save. On the File menu, click Exit to close notepad. Even if you do this correctly, you may not see anything on the command prompt.
Now try installing your Windows Installer-based application again. If any files rare corrupt then SFC will replace them. You may be asked to insert your Win7 DVD for this process to continue. After the scan has completed, close the command prompt window, restart the computer and check. The solution is deleting this registry key and importing the msiserver registry key from another working machine. 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. Then restart your computer and see if the problem goes away.
If that does not work, choose the This account: radio button and click Browse. Search for Network Service and click OK. Again, restart your computer and see if the problem goes away. Note that if it goes away when you chose Local System Account, just leave it at that setting. If that does not work, you can download the Windows Installer Service and re-install it! Kind of ironic eh!?
Do this if you do not even see the service listed in the Services applet or if nothing else works.
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