Issue may be with Microsoft (Update Pulled???), links were all correct when published, have to wait and see
Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3172985). Update for Windows 10 Version 1511 for x64-based Systems (KB3173428). Security Update for Adobe Flash Player for Windows 10 Version 1511 for x64-based Systems (KB3174060). Windows Malicious Software Removal Tool for Windows 8, 8.1, 10 and Windows Server 2012, 2012 R2 x64 Edition - July 2016 (KB890830)
Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3172985) download.windowsupdate.com/d/msdownload/update/software/secu/2016/07/windows10.0-kb3172985-x64_d7ad4fe8fda5687065abddf1a422c0eaa48845d9.cab
Security Update for Adobe Flash Player for Windows 10 Version 1511 for x64-based Systems (KB3174060) download.windowsupdate.com/c/msdownload/update/software/secu/2016/07/windows10.0-kb3174060-x64_9e3ee279ce086e2bb3ce1b89b105ba6b1f9a3dc6.cab
It all went good for me.. Try IDM I downloaded KB3172985 in 13 minutes with IDM although the servers are very slow