How to Use Windows XP: Starting the Computer in Safe Mode
1. When in windows, Press ALT+F4 key combination.

2. A Turn Off Computer window will appear.
3. Select the Restart button.
4. Once the computer begins to restart repeatedly tap the F8 key.
5. A black screen will appear with a few options.
6. Use the arrow keys to select Safe Mode.
7. The computer will start in safe mode.