3rd Party Patching through Ninite

·         Download your NinitePro executable

https://ninite.com/ninitepro.exe

·         Upload the executable to somewhere you can download it from automatically (ex. Dropbox)

·         Use a procedure (ex. writefile) to get the executable down to the endpoint, maybe the temp folder.

·         Then use an execute file with something like this as the parameter to the executable:  /select Chrome Dropbox Firefox Flash "Flash (IE)" Java "Java 7" "Java x64" "Java x64 7" Air CutePDF Evernote Reader Silverlight Shockwave "Citrix Receiver" /updateonly /disableautoupdate /disableshortcuts /silent 

Diagnosing and fixing servicing corruption

https://technet.microsoft.com/en-us/library/ee619779(v=ws.10).aspx
http://solution4techgeeks.blogspot.in/2015/06/how-to-fix-csi-payload-file-missing.html

Windows Update taking long to check/scan for updates

Install the update rollup provided below after clean boot

https://support.microsoft.com/en-us/kb/3161608

Post installation reboot the machine and try running check for updates.