Windows update KB3000850 fails with error: 0x800700a1

[imDAG]

I'm experiencing the "Windows update KB3000850 fails with error: 0x800700a1" error and haven't been able to resolve it.

I have attached the CBS.log. Any help on this would be much appreciated.View attachment CBS.zip

 

[Go The Power]

Hello and welcome to the forum :)

It appears to be an issue with MSDTC.log:

2015-02-21 01:18:38, Error                 CSI    0000010b (F) Failed on regenerating file [l:18{9}]"MSDTC.LOG"[gle=0x80004005]
2015-02-21 01:18:38, Info                  CSI    0000010c [SR] Cannot repair member file [l:18{9}]"MSDTC.LOG" of Microsoft-Windows-COM-DTC-Runtime, Version = 6.3.9600.16384, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, file cannot be decompressed

Download and Run SFCFix

Please download and run SFCFix from >Here<

It will take about 15 minutes to process. Once the scan has completed a notepad file will launch with the results. Please copy and paste the entire contents of the results and post them back into this thread. Please put [CODE][/CODE] tags around the log to break up the text.