Hi, I have just downloaded the following file [0]. It is an .rm file but I am not able to open it in either VLC or Mplayer. I have posted -the error messages below. Thanks in advance. -- Cheers and Regards Jayesh Badwaik stop html mail | always bottom-post www.asciiribbon.org | www.netmeister.org/news/learn2quote.html [0] ftp://ftp.aduni.org/videos/08_lect_01.rm P.S. As a background, the file is the first of the lecture of Theory of Computation. http://aduni.org/courses/theory/index.php?view=cw P.P.S. ERROR MESSAGES ERROR MESSAGE IN VLC: $ vlc 08_lect_01.rm VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547) [0x1b06138] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. [rm @ 0x7efff8c1fe00] Unsupported stream type 4d4c5449 [rm @ 0x7efff8c1fe00] Unsupported stream type 4d4c5449 [rm @ 0x7efff8c1fe00] Unsupported stream type 000001f5 [rm @ 0x7efff8c1fe00] Unsupported stream type 00000424 [rm @ 0x7efff8c1fe00] Unsupported stream type 00000644 [rm @ 0x7efff80035e0] Unsupported stream type 4d4c5449 [rm @ 0x7efff80035e0] Unsupported stream type 4d4c5449 [rm @ 0x7efff80035e0] Unsupported stream type 000001f5 [rm @ 0x7efff80035e0] Unsupported stream type 00000424 [rm @ 0x7efff80035e0] Unsupported stream type 00000644 ERROR MESSAGE IN MPLAYER: $ mplayer 08_lect_01.rm MPlayer SVN-r34799-4.6.3 (C) 2000-2012 MPlayer Team 183 audio & 398 video codecs mplayer: could not connect to socket mplayer: No such file or directory Failed to open LIRC support. You will not be able to use your remote control. Playing 08_lect_01.rm. libavformat version 54.2.100 (internal) REAL file format detected. Stream description: audio/x-pn-multirate-realaudio logical stream Stream mimetype: audio/x-pn-realaudio-recording Stream description: video/x-pn-multirate-realvideo logical stream Stream mimetype: video/x-pn-realvideo-recording Stream mimetype: logical-fileinfo Stream mimetype: logical-fileinfo Stream mimetype: logical-fileinfo No stream found. Exiting... (End of file)