The following errors show in your CBS.log file...
Code:
2013-09-04 22:01:59, Info CSI 00000025 Couldn't find the hash of component: Microsoft-Windows-IE-IEShims, Version = 10.2.9200.16660, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the catalog [l:192{96}]"\SystemRoot\WinSxS\Catalogs\27dccb83a15b3e4f261d3309b1f0fdaa6490b9de8aa89078905b619e98d69773.cat".
Line 3033: 2013-09-04 23:43:49, Error CSI 0000002c@2013/9/4:21:43:49.632 (F) d:\win7sp1_gdr\base\wcp\componentstore\csd_winners.cpp(1302): Error 80092004 [Warning,Facility=FACILITY_NTSSPI,Code=8196 (0x2004)] originated in function CCSDirectTransaction::AddImplicationsToCatalogsAndVerifyComponentHashes expression: (null)
Line 3035: 2013-09-04 23:43:49, Error CSI 0000002d (F) 80092004 [Warning,Facility=FACILITY_NTSSPI,Code=8196 (0x2004)] #253753# from CCSDirectTransaction::PrepareForCommit(...)[gle=0x90092004]
Line 3036: 2013-09-04 23:43:49, Error CSI 0000002e (F) 80092004 [Warning,Facility=FACILITY_NTSSPI,Code=8196 (0x2004)] #253752# from CCSDirectTransaction::ExamineTransaction(...)[gle=0x90092004]
Line 3037: 2013-09-04 23:43:49, Error CSI 0000002f (F) 80092004 [Warning,Facility=FACILITY_NTSSPI,Code=8196 (0x2004)] #253751# from CCSDirectTransaction_IRtlTransaction::ExamineTransaction(...)[gle=0x90092004]
Line 3038: 2013-09-04 23:43:49, Error CSI 00000030 (F) CRYPT_E_NOT_FOUND #253503# from Windows::COM::CPendingTransaction::IStorePendingTransaction_Analyze(...)[gle=0x80092004]
Line 3039: 2013-09-04 23:43:49, Error CSI 00000031 (F) CRYPT_E_NOT_FOUND #252980# from Windows::ServicingAPI::CCSITransaction::ICSITransaction_Commit(Flags = 38 (0x00000026), pSink = NULL, disp = 0, coldpatching = FALSE)[gle=0x80092004]
Line 3040: 2013-09-04 23:43:49, Error CSI 00000032 (F) CRYPT_E_NOT_FOUND #252979# 739802 us from Windows::ServicingAPI::CCSITransaction_ICSITransaction::Commit(flags = 0x00000026, pSink = NULL, disp = 0)
Line 3042: 2013-09-04 23:43:49, Error CBS Exec: Failed to commit CSI transaction to resolve execution chain. [HRESULT = 0x80092004 - CRYPT_E_NOT_FOUND]
Line 3046: 2013-09-04 23:43:49, Error CBS Failed to process single phase execution. [HRESULT = 0x80092004 - CRYPT_E_NOT_FOUND]
Line 3066: 2013-09-04 23:43:50, Error CBS Failed to perform operation. [HRESULT = 0x80092004 - CRYPT_E_NOT_FOUND]
I can see no signs of a recent SFC scan in the logs - please try running another, as it may give us more information.
Post the new CBS.log file