Thanks but still the same. But it seems to be gecko related because if I erase the user.reg and do the directplay workaround i go as far as create flight. By clicking flight again I get the same error: err:seh:raise_exception Unhandled exception code c0000005 flags 0 addr 0x7ef8af14 fixme:advapi:RegisterEventSourceA ((null)," "): stub fixme:advapi:RegisterEventSourceW (L"",L" "): stub fixme:advapi:ReportEventA (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x00000060,0x72e6cc,0x74cb8a): stub fixme:advapi:ReportEventW (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x00000060,0x143610,0x74cb8a): stub err:eventlog:ReportEventW L"3" fixme:advapi:DeregisterEventSource (0xcafe4242) stub fixme:advapi:RegisterEventSourceA ((null)," "): stub fixme:advapi:RegisterEventSourceW (L"",L" "): stub fixme:advapi:ReportEventA (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x00000060,0x72e6cc,0x74c54a): stub fixme:advapi:ReportEventW (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x00000060,0x143610,0x74c54a): stub err:eventlog:ReportEventW L"6" fixme:advapi:DeregisterEventSource (0xcafe4242) stub fixme:advapi:RegisterEventSourceA ((null)," "): stub fixme:advapi:RegisterEventSourceW (L"",L" "): stub fixme:advapi:ReportEventA (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x000002cc,0x72e6cc,0x74cd72): stub fixme:advapi:ReportEventW (0xcafe4242,0x0001,0x0000,0x00000000,(nil),0x0001,0x000002cc,0x143610,0x74cd72): stub err:eventlog:ReportEventW L"7" fixme:advapi:DeregisterEventSource (0xcafe4242) stub michael@75-178-153-194-pool:~/.wine/drive_c/Programme/Microsoft Games/Flight Simulator 9> How shall i debug gecko? ie. get more verbose messages? I downloaded the debug version. Thanks for help Michael