Update Windows Registry
1. Click the msiserver.zip file, found in Resources, and save the file to your desktop.
2. Double-click the downloaded zip file to display its contents. Copy the contents of the zip file to the desktop.

3. Right-click the msiserver.reg file and select the “Merge” option from the context menu. Click the “Yes” button when the confirmation message appears on the screen.
4. Restart the computer when the process has completed. Wait for the operating system to load.
5. Click the Start button and then click the “Run” option. Type “cmd” in the text box and then press the “Enter” key.
6. Type “regsvr32 c:\windows\system32\msi” and then press the “Enter” key. Wait while Windows Vista re-registers the files.
Reinstall Windows Installer
7. Go to the Microsoft Download Center for the Windows Installer 4.5 Redistributable web page.
8. Scroll down the page and click the “Download” button for the version that is compatible with Windows Vista. This will be the Windows6.0-MB942288-v2-x86.msu file for most users.
9. Save the file to a location on your system, such as the desktop. Double-click the downloaded file to run the installation.
10. Restart the computer when prompted to complete the process.