adding safeboot to the boot menu

1 Open a command prompt

2 Copy the current c:\boot.ini to another name (just in case)

3 With your favorite text editor, edit c:\boot.ini

4 Copy then edit the current boot line to another line. For example:
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Micro soft Windows XP Professional" /fastdetect
might copy and then change to:
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Micro soft Windows XP Professional Safeboot" /fastdetect

5 Start MSCONFIG

6 Click on the BOOT.INI tab

7 Highlight the second line with the additional name of Safeboot

8 Check the /SAFEBOOT box with option you want
Minimal - Minimal set of drivers
Network - With Network Support
Dsrepair - Directory Services Repair
Minimal (Alternate Shell) - Standard Explorer Desktop