Crashing BTS

[Atimati]

Hi,

BTS is crashing (at different points in the game) with this error message in the sys log:

0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 63 69 76 ure civ
0018: 34 62 65 79 6f 6e 64 73 4beyonds
0020: 77 6f 72 64 2e 65 78 65 word.exe
0028: 20 33 2e 30 2e 30 2e 31 3.0.0.1
0030: 20 69 6e 20 63 69 76 34 in civ4
0038: 62 65 79 6f 6e 64 73 77 beyondsw
0040: 6f 72 64 2e 65 78 65 20 ord.exe
0048: 33 2e 30 2e 30 2e 31 20 3.0.0.1
0050: 61 74 20 6f 66 66 73 65 at offse
0058: 74 20 30 30 35 32 65 35 t 0052e5
0060: 37 64 0d 0a 7d..

Any idea what to do?

Thanks,
Atimati

PS: athlon xp 2000+, 1gb ram, ati radeon 9550 w 256mb