(null) folders shown in networked media players

I am also having this problem on a ReadyNas Pro 4.2.8.
I am wondering if there is an alternative solution to the one described above as I am not familiar with the command line stuff.
For me, it usually takes my entire BitTorrent folder and renames it "null". Most of the contents within the folder are correct however they are sometimes missing files, and I can't usually access the files that are showing up.

I also noticed yesterday the following behaviour. I had a folder named "Point Break" and changed the name of a file within that folder. After I changed the file name, I then had 2 folders, one titled "null" and one titled "Point Break". I could not access the file within the original "Point Break" folder however I could access it in the "null" folder?

Any help would be appreciated as I am getting tired of having to manually rescan in order to get the contents in my BitTorrent folder correct??

Thanks