Hi everyone, I have two .dat files that my friend copied from some VCD. I have following problems with ONLY these two .dat file: 1. These files refuse to open in any player other than XingMPEG Player. (Ihave tried all other softwares VCD Cutter, Zoom player,WMP 9,etc.. almost all players from digit CD's). These files open without any problem in Xing. 2. I have tried reencoding these files with TMPEG enc, VCD Gear, VCD easy, Flask MPG, mpeg4_maker, etc. but these file cant even open in any of softwares. 3. I have tried adding thse files to Nero VCD compilation but at 1st I get msg-> Stream encoding which is invalid for [Super]VCD, at this msg I choose Re-encode video but got msg-> AVSEQ.mpg. Unsupported file format. I then selected Turn off standard compliance and continue and burnt the file on CDRW, but when I tested the file the was unable to start in Xing or anyother player. 4. After all this I tried opening the file VirtualDub but got msg-> MPEG Import Filter: packet sync error on packet stream (3fbf8) 5.After this I tried cutting the file with VCD Clipper (VCD Cutter wont work), and I was able to cut the files and tried all above things but the same results. I know that .dat files contain some info about the file in its header for VCD and then the actual AV stream. Please I request you all to suggest me following: 1. Solution to above problem 2. Link to page where I can get info about the structure of VCD .dat files. 3. Any other software which could alow me to write VCD with these files. 4. Any software which would alow me to change or repair header of the files. I have dialup connection and its really hard to search for this on the net so please tell me some solution.