How to Reinstall Windows Installer for XP SP2
- 1). Click the "Start" button on your computer and then click the "Run" option. Enter "cmd" in the "Open" field and then click the "OK" button.
- 2). Type "cd %windir%\system32" into the command prompt and then press "Enter" key on your keyboard. Type "ren msi.dll msi.old." Then press the "Enter" key.
- 3). Type "ren msiexec.exe msiexec.old" and then press the "Enter" key. Type "ren msihnd.dll msihnd.old" and then press the "Enter" key.
- 4). Type "exit" into the command prompt and then press the "Enter" key. Restart your computer. Windows Installer will automatically reinstall when your computer restarts.
- 5). Allow time for the reinstallation process to complete. You will then be prompted to reboot your computer again, for Windows Installer to be fully reinstalled on your computer.
