wmv files starts then stops in powerpoint

[Greg]

I have 1 of several wmv files that starts and then stops abruptly in ppt. Any
one have any suggestions on troubleshooting/repairing? Thank you

 

[PPTMagician]

Try these:
http://www.echosvoice.com/tshoot_video2.htm
http://www.playsforcertain.com/tutorial.htm