dvd playing but jumping and disjointed sound when using windvd version 4.5dxva on machine running windows 98 at 200mhz processor and 128mb ram

That machine is not fast enough for smooth playback of DVD video and audio..

You will get a variety of opinions as to how fast it must be but that is also based on what video card you are running, the speed of the drive etc...

You didnt mention your video setup..
If you are using onboard video it compounds the problem

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