If you need to turn system restore off. To do this proceed as follows:

1/ Click the Start Button

2/ From the Start menu click Control panel

3/ In Control Panel click the System Icon

4/ On the Left of the System properties window you will see a list of Tasks, click on the System protection link

5/ In the System Protection window remove the 'Tick' mark from beside the drive you want to disable system restore on

6/ A message will now appear asking: 'Are you sure you want to turn System restore off'

7/ Press the Turn System restore Off button

8/ System Restore will now be turned off permanently on that particular drive

9/ To re-enable system restore just click your mouse in the box next to the drive you require system restore to monitor ( a tick will appear in the box), the click the Apply button and system restore will resume monitoring the drive.