We noticed that one of the updates kept failing to download Logs were showing this: Successfully moved C:\Users\USER01~1\AppData\Local\Temp\7\CAB23C3.tmp to \\apps\Windows_Updates\Server_Updates\2016-12\c47f6681-2bec-4549-8b8c-29abb32467aa.1\windows8.1-kb3210137-x64.cab Software Updates Patch Downloader 19-12-2016 08:14:53 361508 (0x58424) Could not delete file '\\apps\Windows_Updates\Server_Updates\2016-12\c47f6681-2bec-4549-8b8c-29abb32467aa\windows8.1-kb3210137-x64.cab'. Code 0x80070020 Software Updates Patch Downloader 19-12-2016 08:14:53 357888 (0x57600) Could not delete directory '\\apps\Windows_Updates\Server_Updates\2016-12\c47f6681-2bec-4549-8b8c-29abb32467aa'. Code 0x80070091 Software Updates Patch Downloader 19-12-2016 08:14:53 357888 (0x57600) ERROR: DownloadContentFiles() failed with hr=0x80004005 Software Updates Patch Downloader 19-12-2016 08:14:53 357888 (0x57600) Even retrying download was not fixing this. In t...