If you’re on SQL Server 2012 SP3, download and install Cumulative Update 1.
If you haven’t applied SP3 yet, you should probably do that first, but we won’t judge. If you want to stay on the golden oldie of SP2, you can apply Cumulative Update 10 to that.
Here’s some highlights from the list of what got fixed in SP3 CU1:
New and Improved