Ok, we need to repair those corrupt files by running the Recovery Console.
Run the Vista Recovery Console.
1. Eject and remove any discs or memory cards from your computer.
2. Click the "Start" button on the desktop to open the Start menu, click the small arrow icon to the right of the lock icon and select "Restart".
3. Hold the "F8" key on your computer's keyboard as Windows Vista reboots.
4. Highlight and select "Repair your computer" choose your keyboard type and click "Next".
5. Choose your user name, type your password if prompted and click "OK" to access the System Recovery Options menu.
Run the Vista Recovery Console.
1. Eject and remove any discs or memory cards from your computer.
2. Click the "Start" button on the desktop to open the Start menu, click the small arrow icon to the right of the lock icon and select "Restart".
3. Hold the "F8" key on your computer's keyboard as Windows Vista reboots.
4. Highlight and select "Repair your computer" choose your keyboard type and click "Next".
5. Choose your user name, type your password if prompted and click "OK" to access the System Recovery Options menu.