: MY OS IS WIN98 . I AM USING A P-3 450MHZ MACHINE. WHEN I LOAD THE MICROSOFT FAX SOFTWARE FROM THE ADD/REMOVE PROGRAM -> WINDOWS SETUP PROGRAM OPTION IT GETS LOADED . BUT WHEN I TRY TO COMPOSE A FAX OR TRY TO USE MICROSOFT FAX SOFTWARE GET THE MESSAGE THAT PSTPRX.DLL IS MISSING . HOW D I GO ABOUT SOLVING THIS PROBLEM?