I have this error too, I don't know why...
E8400, Ati 4870, 4 Gb mem, Vista x64 Sp1, 9.2 Catalyst
Problem signature
Problem Event Name: APPCRASH
Application Name: Launcher.exe_unknown
Application Version: 0.0.0.0
Application Timestamp: 4933f34b
Fault Module Name: atioglxx.dll
Fault Module Version: 6.14.10.8494
Fault Module Timestamp: 49891573
Exception Code: c0000005
Exception Offset: 005689a0
OS Version: 6.0.6001.2.1.0.256.6
Locale ID: 1038