Word crashes when check-box clicked

[Guest_imported]

I have a word document with VB-Checkboxes on it. Whenever any of the boxes is clicked, word crashes. There is no code in the document.

It gives a windows protection error: General page fault

Please help!

 

[Guest_imported]

The error reads:
WINWORD caused an invalid page fault in
module WINWORD.EXE at 017f:30444d56.
Registers:
EAX=00000000 CS=017f EIP=30444d56 EFLGS=00010246
EBX=00000031 SS=0187 ESP=0062f754 EBP=00000000
ECX=016f0374 DS=0187 ESI=0075cb14 FS=32c7
EDX=00000001 ES=0187 EDI=0074f73c GS=0000
Bytes at CS:EIP:
8b 80 6c 02 00 00 56 8b 40 20 8b 38 e8 29 c0 c3
Stack dump:
0074f69c 00000031 016f084c 3023a8e4 00000031 00470003 0047e2a0 30505280 0047e2de 600293fb 0074f6a4 00000000 0062f7d0 0047e2a0 0047e2a0 00000000