FRun.exe error ?

LEXMARK X3650 printer, prints, copies, and scans. Just tried to download PHOTOS into computer and get above error... FRun.exe ..application failed to initialize, Oxcooooo7b ... ??? HELP ! am I missing drivers, how / where do I get them. tried the uninstall, reinstall... still same problem, won't copy from camera memory card to computer, using Windows XP home Edition...