Removing the invalid entries from Boot.ini

When you start your computer, the Boot options may show two or more Operating System entries, out of which some may be invalid.

The additional entries can be removed by modifying the Boot.ini file. Alternately, you can use the Check All Boot Paths option available in  MSConfig (System Configuration utility).

• Click Start, Run and type MSCONFIG
• Select the Boot.ini tab
• Click Check All Boot Paths button

MSConfig will now quickly verify each line mentioned in the Boot.ini to check if they are valid. If orphaned entries are detected, you'll be prompted with this dialog: