How to Repair an MSI File

1. Click the 'Start' button and then go to the 'All Programs' icon.
2. Click the icon labeled 'Windows Update' from the menu on the right.
3. Click the 'Check for Updates' button on the left side of the software window.
4. Wait for the computer to search for updates, and then click on the 'Microsoft Update' icon. This is the update package that houses your MSI files.
5. Click the 'Install Updates' button at the bottom or your software screen.