Access Violation

[final60]

Hello
The game stops with the following error, any suggestions?

Access Violation exception generated at 0xc0A925, thread attempts to read at 0xB821B10A.
The thread attempted to read from or write to a virtual adress for which it does not have appropriate access.
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Log with no filter:
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Log Starting [2008/01/29 14:13:29]
2008/01/29 14:13:29 client_ryzom_rd.exe INF 4a0 common.cpp 623 : Exception will be launched: Failed to create the FMod driver object.
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