I haven't used batch downloader (Windows) for a while, but the v15.85 and 15.86 (just installed) give error messages.
Downloading "Chuggington - Chuggington Puffer Pete's Big Show" ...
and saving the stream with the filename "Chuggington - Chuggington Puffer Pete's Big Show.mp4"
Downloading from AkamaiHDUnmetered server...
Retrieving Token...
RTMPDump v2.4 (110812)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
ERROR: You must specify a playpath (--playpath) or url (-r "rtmp://host[

ort]/playpath") containing a playpath
'amp' is not recognized as an internal or external command, operable program or batch file.
Error in connection. Retrying...
Retrieving Token...
RTMPDump v2.4 (110812)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
ERROR: You must specify a playpath (--playpath) or url (-r "rtmp://host[

ort]/playpath") containing a playpath
'amp' is not recognized as an internal or external command, operable program or batch file.
Error in connection. Retrying...
Press any key to continue . . .