I'm having an issue installing the latest hotfix/update for SQL Server 2012 SP1. I am trying to install SP2, but when I tried through Windows Update, it would come up with an error code of 0x851A0020. I tried restarting the server, and re installing, same problem. I tried disabling the SQL Agent and just making sure nothing is running before the update process, that didn't help either. I do have have SQL Toolbelt installed on top of SQL Server 2012 SP1, so I don't know if this could be the problem preventing the update. I haven't tried uninstalling it, as it is a pain to set it up again.
I tried downloading the SQL Server 2012 Service Pack 2 package from Microsoft's website for manual installation, and I tried installing it that way. I received the same error message during installation. Keep in mind that all the pre-update checks to...
