need help with excel error

I have unistalled and reinstalled microsoft office 2003 3 or 4 times and
still get the same error message. It is just with excel. windows 98se.


EXCEL caused an invalid page fault in
module MSO.DLL at 016f:311b406e.
Registers:
EAX=00000019 CS=016f EIP=311b406e EFLGS=00010297
EBX=00000004 SS=0177 ESP=0062dc6c EBP=0062dc94
ECX=00000064 DS=0177 ESI=0066031c FS=5ce7
EDX=00661000 ES=0177 EDI=00000000 GS=5cde
Bytes at CS:EIP:
01 0a 83 c2 04 eb f4 83 7e 1e 00 75 09 8b 55 f0
Stack dump:
00000000 0066031c bff77039 00000015 00660434 00660434 00000000 00670234
00000064 00660434 0062dcc0 30ee1307 01510c74 0062dee0 00000000 00000000