We've actually gotten more of these with 4.1.4 whereas we didn't have an issue with the latest 4.1.3. So far 4.1.4 has just been a big lose with this and the SSI issues.
Edit: Now see that the OP is using 4.1. Regardless, I'd be weary of 4.1.4 being an improvement. Go 4.1.3 IMO.