Hi, In my computer WU says following three updates are missing, Microsoft Windows Malicious Software Removal Tool (KB890830) x64 August , 2012Microsoft Windows Malicious Software Removal Tool (KB890830) x64, July , 2012Microsoft Windows Malicious Software Removal Tool (KB890830) x64, June , 2012 "Microsoft Windows Malicious Software Removal Tool (KB890830) x64 August , 2012" update is cumulative update or not? Regards, M.Veera

I guess this is a cumulative one, but this is the way to check - You can install the August one alone and see if the remaining two are still offered.Janaki Hariharan

I guess this is a cumulative one, but this is the way to check - You can install the August one alone and see if the remaining two are still offered.Janaki Hariharan

Hi, This is Windows Malicious Software Removal Tool, you can try to manually download and install it. Microsoft Windows Malicious Software Removal Tool (KB890830) More reference, you can check this: The Microsoft Windows Malicious Software Removal Tool helps remove specific, prevalent malicious software from computers that are running Windows 7, Windows Vista, Windows Server 2003, Windows Server 2008, or Windows XP Hope this helps. Vincent Wang TechNet Community Support

Hi, This is Windows Malicious Software Removal Tool, you can try to manually download and install it. Microsoft Windows Malicious Software Removal Tool (KB890830) More reference, you can check this: The Microsoft Windows Malicious Software Removal Tool helps remove specific, prevalent malicious software from computers that are running Windows 7, Windows Vista, Windows Server 2003, Windows Server 2008, or Windows XP Hope this helps. Vincent Wang TechNet Community Support