Anyone, any ideas how to fix the below fault without re-installing Windows etc...
I have serched for TAPI32.DLL on google & found a few things on it, just need to fix it.

EXPLORER caused an invalid page fault in
module TAPI32.DLL at 0187:7f96bd6f.
Registers:
EAX=00000000 CS=0187 EIP=7f96bd6f EFLGS=00010246
EBX=06509478 SS=018f ESP=00f6cf8c EBP=00f6cfbc
ECX=070df990 DS=018f ESI=00f6d43c FS=1937
EDX=bffc9490 ES=018f EDI=00000000 GS=21f6
Bytes at CS:EIP:
f6 83 28 01 00 00 02 74 3c 3b c7 8b 45 18 75 06
Stack dump:
00f6d4a4 00f6d43c 00000000 00000000 00000000 00000000 0649dbd0 00000000 00000000 0650c190 072473c0 070df990 00f6d3e8 7f96bf1f 00000000 00000000