Invalid page fault

i am running outlook express 6 and have 4 identities. when i access i of them a window appears and says performing offline tasks, then another window appears with this message.MSIMN caused an invalid page fault in
module MSOE.DLL at 015f:0084784e.Registers:
EAX=00000000 CS=015f EIP=0084784e EFLGS=00010246
EBX=01464310 SS=0167 ESP=0056f580 EBP=0056f594
ECX=00000000 DS=0167 ESI=01464240 FS=307f
EDX=00000001 ES=0167 EDI=00002ee5 GS=0000
Bytes at CS:EIP:
83 39 01 75 29 8d 45 f8 50 8b 41 04ff 30 8b ce
Stack dump:
0056f5d0 01464240 00000000 00000000 00000000 0056f5dc 00846dd7 01244388 01464244 01244394 00000000 00000000 00000000 00000000 00000000 0000000a

Any help appreciated.Nev