The problem that is described in this article is characterized by the following call stack:
2: kd> kb50 ChildEBP RetAddr Args to Child 01b3f8e4 7531b4d6 01b3f8fc 0f1097e0 0f3b0490 0xffffffff 01b3f958 7531d656 0d831b10 03811830 0f1097e0 wbemcore!CComplexProjectionSink::Project+0x41 01b3f97c 75312f53 03811818 00000012 00000012 wbemcore!CComplexProjectionSink::Indicate+0x44 01b3f9b8 58b82230 037fe848 00000012 002b1678 wbemcore!CDecoratingSink::Indicate+0x13d 01b3f9d4 75588d7b 02b87888 00000012 0f0fee18 wmiprvsd!CInterceptor_IWbemObjectSink::Indicate+0x44 01b3fa18 75588ff5 00000012 0401def8 01b3fa6c FastProx!CSinkStubBuffer::XSinkStublet::Indicate_Stub+0xae 01b3fa28 77268ae0 026e62ac 02ac8754 0401def8 FastProx!CSinkStubBuffer::XSinkStublet::Invoke+0x1a 01b3fa6c 77268a8a 02ac8754 02a983a0 04093038 ole32!SyncStubInvoke+0x33 01b3fab4 77179c54 02ac8754 04027c88 026e62ac ole32!StubInvoke+0xa5 01b3fb8c 77179b79 0401def8 00000000 026e62ac ole32!CCtxComChnl::ContextInvoke+0xe3 01b3fba8 772689c2 02ac8754 00000001 026e62ac ole32!MTAInvoke+0x18 01b3fbd8 77268872 02ac8700 0401def8 026e62ac ole32!AppInvoke+0x9a 01b3fc94 77d696b4 e904549a 23c48428 01b3fcec ole32!ComInvokeWithLockAndIPID+0x29f 01b3fca4 77268d92 00000001 00000000 02a98388 USER32!___PchSym_ <PERF> (USER32+0x696b4) 01b3fcec 77c57307 00000004 02a98388 0013ec20 ole32!ThreadInvoke+0x1de 01b3fd20 77c571c9 77268c40 0013ec20 01b3fdf8 RPCRT4!DispatchToStubInCNoAvrf+0x38 01b3fd74 77c57289 00000000 00000000 77166a58 RPCRT4!RPC_INTERFACE::DispatchToStubWorker+0x112 01b3fd98 77c60291 0013ec20 00000000 77166a58 RPCRT4!RPC_INTERFACE::DispatchToStub+0xa1 01b3fdc8 77c852d1 0013ec20 0013ebd8 00000000 RPCRT4!RPC_INTERFACE::DispatchToStubWithObject+0xb3 01b3fe04 77c5a76a 0013e9b8 000a2ca8 000ef430 RPCRT4!LRPC_SCALL::DealWithRequestMessage+0x2dd 01b3fe28 77c57bf1 000a2ce0 01b3fe40 0013e9b8 RPCRT4!LRPC_ADDRESS::DealWithLRPCRequest+0x16b 01b3ff8c 77c696a9 77c695f1 000a2ca8 00000000 RPCRT4!LRPC_ADDRESS::ReceiveLotsaCalls+0x423 01b3ff90 77c695f1 000a2ca8 00000000 00000000 RPCRT4!RecvLotsaCallsWrapper+0x9 01b3ffb0 77c696d7 0008a4d8 77e4a990 03ff2e68 RPCRT4!BaseCachedThreadRoutine+0x9c 01b3ffb8 77e4a990 03ff2e68 00000000 00000000 RPCRT4!ThreadStartRoutine+0x17 01b3ffec 00000000 77c696c0 03ff2e68 00000000 kernel32!BaseThreadStart+0x34