On the Desktop, right-click Msirepair.reg, and then click Run as administrator. On the File menu, click Exit to close notepad. In the Save in box, click Desktop, and then click Save. In the Save as type box, click All Files (*.*). Windows Registry Editor Version File, click Save As, and then name the file Msirepair.reg. Under the Programs heading, click Notepad.exe.Ĭopy the following text, and then paste it into a notepad: Then, run the file to update the registry key.Ĭlick Start, and then type Notepad in the Search box. To reset the Windows Installer Service settings in the registry, create a registry file by using Notepad. 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: 322756 How to back up and restore the registry in Windows Then, you can restore the registry if a problem occurs. For added protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. However, serious problems might occur if you modify the registry incorrectly. Important This section, method, or task contains steps that tell you how to modify the registry.

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