XP includes a backup program that will easily backup multiple different aspects of your computer including the configuration and registry data that are included in System Restore.
Creating A System Backup:
1. Go into the Start Menu and All Programs
2. Go to Accessories
3. Go to System Tools
4. Left click on Backup
5. System Backup Wizard Will open
6. Select Switch to Advanced Mode
7. Click Backup Wizard
8. Click Next
9. Click Only Backup the System State Data
10. Click Next
11. Browse to the location of your choice, pick a name, and select Next
12. Click Finish
13. The backup system will save your data.
14. When it is finished click Close
Restore A System Backup:
1. Go into the Start Menu and All Programs
2. Go to Accessories
3. Go to System Tools
4. Left click on Backup
5. System Backup Will Open
6. On the main Backup screen just select Next
7. Select Restore Files and Settings and Next
8. Select System State (and any other files that you have included, if you wish)
9. Click Next
10. Click Finish
11. You registry and files will be restored.