Exchange 2003

Hi Experts:
I have a problem in my exchange server it happens when the server starts , and gives me an exchange error window says: ( COM Surrogate encountered aproblem and need to close)and when i opend the event viewer in the application report i found this error





The system has called a custom component and that component has failed and generated an exception. This indicates a problem with the custom component. Notify the developer of this component that a failure has occurred and provide them with the information below.
Component Prog ID:
Server Application ID: {15EB5D91-7AD1-4C2F-80C4-8EBFA308E7E9}
Server Application Instance ID:
{7C4C8B67-4ABC-4D54-9268-6DA91A134A7B}
Server Application Name: GSH User Junk Folder Router
The serious nature of this error has caused the process to terminate.
Exception: C0000005
Address: 0x00752072
Call Stack:
SpamRouter!DllUnregisterServer + 0xef5
SpamRouter!DllUnregisterServer + 0xb85
RPCRT4!NdrServerInitialize + 0x462
RPCRT4!NdrStubCall2 + 0x217
RPCRT4!CStdStubBuffer_Invoke + 0x82
ole32!WdtpInterfacePointer_UserMarshal + 0x13fa
ole32!WdtpInterfacePointer_UserMarshal + 0x13ad
ole32!ProgIDFromCLSID + 0x1fd3
ole32!ProgIDFromCLSID + 0x1dd1
ole32!DcomChannelSetHResult + 0x851
ole32!WdtpInterfacePointer_UserMarshal + 0x12db
ole32!WdtpInterfacePointer_UserMarshal + 0x116c
ole32!WdtpInterfacePointer_UserMarshal + 0x15ec
ole32!DcomChannelSetHResult + 0x7ca
ole32!DcomChannelSetHResult + 0x5ee
USER32!EnableMenuItem + 0x4cd4
USER32!EnableMenuItem + 0x4da1
USER32!GetWindowLongW + 0x183
USER32!DispatchMessageW + 0xf
COMSVCS!CoCreateActivity + 0x572a
COMSVCS!CoCreateActivity + 0x5657
COMSVCS!CoCreateActivity + 0x5ff0
COMSVCS!CoCreateActivity + 0x643c
msvcrt!_endthreadex + 0xa3
kernel32!GetModuleFileNameA + 0xeb


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and also gaves me this in the event viewer






Faulting application dllhost.exe, version 5.2.3790.0, faulting module SpamRouter.dll, version 6.0.616.0, fault address 0x00002072.