error in starting

[Guest]

GTACLIENT caused an invalid page fault in

module MTACLIENT.EXE at 016f:005913c0.

Registers:

EAX=00000000 CS=016f EIP=005913c0 EFLGS=00010246

EBX=007c4c94 SS=0177 ESP=0072fbfc EBP=0072fe08

ECX=00740000 DS=0177 ESI=0079a000 FS=3c87

EDX=00590000 ES=0177 EDI=007c4c94 GS=0000

Bytes at CS:EIP:

8b 40 0c 89 c6 8b 50 18 3b 55 b0 75 27 8b 50 1c

Stack dump:

00591688 00000000 00000000 bff741f7 81969d5d 00004550 0007014c 41fd3f6e 00000000 00000000 010e00e0 0006010b 00037800 00048400 00000000 00036de8

an error window appears (the one with the red circle with a white X) when i click the MTA program...

what am i gonna do?

that's what appears ^^^ in the box