i can get on to the select game screen but i can not join or host
and if i stay on that scren it says erreor returned [missing]

i can not join any games or see the forums associated with the games while i was playing i had all my firewlls turned off and then i keep geting the eception error it looks like
Exception in thread C98 - Main Thread
Exception code EXCEPTION_ACCESS_VIOLATION
The thread tried to read from or write to a virtual address for which it does not have the appropriate access.
Attempt to read from address C0847850

Exception occurred at C0847850 - Unknown code pointer

Stack walk:
004D476B : Unknown
00000000 : Unknown

Register dump:
Eip:C0847850 Esp:0022EEE0 Ebp:3F800000
Eax:BBFFF80D Ebx:0022EF0C Ecx:00000004
Edx:0022EF0C Esi:00704610 Edi:009BCF6D
EFlags:00010202
CS:001b SS:0023 DS:0023 ES:0023 FS:003b GS:0000

Bytes at CS:EIP (C0847850): ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??

Stack Dump:

0022EEE0: 004D476B
0022EEE4: 0022EF0C
0022EEE8: BBFFF80D

and thats barly any of it will some one plz post any ideas that might help