why my WM recorder can't get video under RTMP protocol

[cesi]

i'm a WM recorder user.my version is 14.7
i found a Czech site and there are too many useful video for me.
the video of this site under the RTMP protocol.
i first opened the WM recorder on ADA mode.after i opened the link,the video started to display.at this moment,the recorder found a link to get,but then quickly,the recorder showed the message:
(200) cannot open file D:" -strm 0 -prev 1\SWF Extras\FkMladaboleslavSCT4-050511-MP4_38818093.rtm"

here is the picture,i got


finally the connecting to RTMP was failed.the video from this site is very important to me,so could anybody help me?
i really appreciate it

PS:
my recording directory is the root directory D
the name of the video was FkMladaboleslavSCT4-050511-MP4_38818093.flv

Download WM Recorder 14.8. Besides ADA and WMX modes, you can use its loopback recorder (Options -> Open LOOPBACK). The Loopback recorder allows to download as well as to capture (record) RTMP streams.