error 50

  MUSWELL 13:10 31 Jan 2008
Locked

I am running vista premium,up until now Ive been able to open an mp4 file using quictime.Now I get the message error 50 an unknown error occurred.The files run ok on my xp laptop so I know its not them.I have reinstalled quicktime to no effect.The only change recently was an upgrade on I tunes,but I really dont think that this is the cause.Can anyone help many thanks

  woodchip 13:14 31 Jan 2008

This may still apply click here

  woodchip 13:19 31 Jan 2008

This may still apply click here

and click here

click here

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