dogpound

Hello all I got a bug with my outlook 2003, i've removed it and installed 2007 after getting rid of the bug when tryiing to open outlook 2007, i keep getting the message: cannot start microsoft outlook. cannot open the outlook window.the set of folders cannot be opened errors have been detected in the file XXXXXXXXXXXXXXXX>>>>>>>>>>>>>>>>>>>>>>>>........................... quit outlook and>>>>>>>>>> and then use the help button to repair. 1 problem is it won't open up at all, it keeps giving the message above. Ive tried to go in and delete all the .pst files i could find, what other files do i delete to get all of the 2003 outlook out of the system thanks for all help.