Illegal operation when open VB 6

When I open the visual basic 6,
I get a message "This program has perform an illegal operation and will be shut down. Then, I click the details and it says that:

VB6 caused an invalid page fault in
module VB6.EXE at 017f:0042462c.
Registers:
EAX=01bb81c8 CS=017f EIP=0042462c EFLGS=00010202
EBX=00000001 SS=0187 ESP=007ff070 EBP=007ff2c4
ECX=01bb37f4 DS=0187 ESI=0000000c FS=31ff
EDX=00000000 ES=0187 EDI=007ff52c GS=0000
Bytes at CS:EIP:
8b 08 ff 51 0c 8b 0d 7c 93 59 00 89 44 31 04 5f
Stack dump:
01bb81c8 0000007c 01bb0010 007ff52c 00460004 006c0069 00000065 00000000 168f225e 000080f8 0000000c 00000000 00000000 000080f4 000080f8 5d9d5d86

How can I solve this prob. It's because of the registry. Can anyone help?thanks.