the bugreport is following: : kd> !analyze -v GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get program counter GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* ATTEMPTED_WRITE_TO_READONLY_MEMORY (be) An attempt was made to write to readonly memory. The guilty driver is on the stack trace (and is typically the current instruction pointer). When possible, the guilty driver's name (Unicode string) is printed on the bugcheck screen and saved in KiBugCheckDriver. Arguments: Arg1: 84080800, Virtual address for the attempted write. Arg2: 04080121, PTE contents. Arg3: 9adabcc0, (reserved) Arg4: 0000000b, (reserved) Debugging Details: ------------------ GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 ***** Debugger could not find nt in module list, module list might be corrupt, error 0x80070057. GetContextState failed, 0x80004002 Unable to read selector for PCR for processor 0 GetContextState failed, 0x80004002 Unable to read selector for PCR for processor 0 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 GetContextState failed, 0x80004002 Unable to read selector for PCR for processor 0 GetContextState failed, 0x80004002 Unable to read selector for PCR for processor 1 GetContextState failed, 0x80004002 Unable to read selector for PCR for processor 0 DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT BUGCHECK_STR: 0xBE STACK_TEXT: GetContextState failed, 0x80004002 Unable to get current machine context, HRESULT 0x80004002 STACK_COMMAND: kb SYMBOL_NAME: ANALYSIS_INCONCLUSIVE FOLLOWUP_NAME: MachineOwner MODULE_NAME: Unknown_Module IMAGE_NAME: Unknown_Image DEBUG_FLR_IMAGE_TIMESTAMP: 0 BUCKET_ID: CORRUPT_MODULELIST Followup: MachineOwner --------- GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 GetContextState failed, 0x80004002 Ben

Bug Check Code 0xBE: http://msdn.microsoft.com/en-us/library/ff560161(v=VS.85).aspx There is a driver that is causing that so you can start by updating all possible drivers. Please Zip the memory dump and use Microsoft Skydrive to upload it. Once done, post a link here. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration