Help Needed in report Export Plzzz

i ma trying to solve a problem for a couple of days and cannot get around it..I have installed the whole crystal report software on my development machine and have created a report.. and when i try to export it it gaves me failed to export error..if i try like html..it expots but for pdf and rtf it isn't..

on the other side i want to use this report in my vb application..for the time being since the crystal reports install all the files so i dont have to include runtime files for crystsal report to run with vb..i called the report and can export it in html but for pdf and other formats ..even i have enabled the enableexport button..it just doesnt do any thing..how ever when i try to do it manually..by code..pdf export it gives me the same error..failed to export..

i have reinstalled the whole things and this does not work can anyone plzz help me

What is the wording to the specific error that it returns?

Which version of Crystal?

it is version 9