System Restore Point offer (Spybot - Search & Destroy 2)

System Restore Points are fixed points in the history of system changes that can be reverted back to in case of problems. The System Repair and the Malware Cleaner offer to create system restore points before taking action.

In case of doubt, the additional time needed to create a restore point always puts you on the safe side.

Microsoft Windows XP: How to restore Windows XP?

Microsoft Windows Vista: What is System Restore?

Microsoft Windows 7: What is System Restore?

Microsoft Windows 8: How to restore, refresh, or reset your PC