system Access Violation exception

[dontquit]

Im having vb.net program which is running perfectly in my pc.when i take setup and run in client pc im gettin this error System access vilaotion exception:Attempted to read or write protected memory.This is often an indication that other memory corrupt: exception text********* System access vilaotion exception:Attempted to read or write protected memory.this at Excel_worksheet.get_tab(). My program gettin data from notepad file and storing it into sql server .then callin a function which is doin some data calculation and callin another function which will create a rpt in excel. Hlp me to solve this error.

Thanks & Regards,
Jini