You don\'t mention what OS you are using. If you have Win2K then MSCONFIG is not included. You can go to The Tech Guide home page, click on downloads and get a copy of MSCONFIG from there that should work.
If you have Win 98 or 98SE, there is a utility called system file checker which will allow you to reinstall MSCONFIG from your install disk. Sorry I don\'t have much experience with WinME or WinXP if you have one of those.
Good Luck!