internet explorer problems!

can anyone help me with a problem i have with my pc? my
explorer keeps crashing, and every time it comes up with
this error msg.
EXPLORER caused an invalid page fault in
module MSVCRT.DLL at 015f:780154a7.
Registers:
EAX=7803a152 CS=015f EIP=780154a7 EFLGS=00010246
EBX=00000010 SS=0167 ESP=0126c754 EBP=0126c764
ECX=0000e100 DS=0167 ESI=70a9e100 FS=1bb7
EDX=0fffffff ES=0167 EDI=0126c79e GS=0000
Bytes at CS:EIP:
66 8b 04 48 a8 04 74 5b 83 c1 d0 3b cb 73 7b 83
Stack dump:
0126c808 70a9f33b 00000000 00000000 0126c7c0 7801540c
0126c79c 00000000 0000000f 00000000 63706b61 0126c79c
00000000 00000010 00000001 63706cc8
Is it possible for someone to fix this for me, or at least
stop me from putting a brick through my pc? i seem to be
getting very frustrated... i've tried a few things,
including running setup from the win 98 disc with no
success... HELP!!! (please!)