HOW TO - Add or Remove Programs from Safe Mode

From Safe Mode - Command Prompt:

REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer" /VE /T REG_SZ /F /D "Service"

net start msiserver

Thank you - http://www.windowsnetworking.com/kbase/WindowsTips/WindowsXP/AdminTips/TroubleShooting/UninstallapplicationsinSafeMode.html