Since the xpstar.dll suggestion didn't work for me, I had to find another workaround. I used xp_cmdshell and bcp to save the query results to a file, then used sp_send_dbmail...
We am having the same issue. We are running 2014 build 12.0.2254.0 (X64). I tried to copy XPStar.dll over the old one as suggested, and restarted the service, to no...