Use Microsoft System Restore to create create restore points, which can be done automatically or manually, to give you the option to restore critical system files and the registry in the event of a serious problem or virus related damage.
- Go to Start, Programs, Accessories, System Tools - System Restore
- Select "Create A Restore Point." MAKE SURE YOU DO NOT SELECT RESTORE!
- Enter a restore point description. Example (using date code+): 2008072901
- done!