Pioneer 106 and pixelation on XP50

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I am using DVD Xcopy Express 3.02, Pioneer 106 with 1.07 firmaware and Fujifilm DVD-R. When I play my copies of movies in my Panasonic XP50 DVD player I get massive pixelation throughout the movies but they play fine on my Xbox? Any and all feedback is welcomed. (Xbox is not normally hooked up to main enternainment system so using it as primary DVD player is not an option plus it's not progressive scan)

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Is this a media compatibility thing or what?
The label on the DVD-R pack doesn't specify if it is 2X or 4X but....
to use my A06 to copy it takes about 90-120 min to do a express backup.
System:
Asus A7N8X Deluxe
Athlon XP 2500
512 PC 2700 DDR (Corsair)
WD 120 Gig HD 8 Meg cache
Antec True Power 430W
ATI 9000 Pro 128 MB
Pioneer A06U DVDRW
Win XP Pro w/Sp1a

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I've tried to backup my Santa Clause 2 and the movie appears to get 1/2 to 2/3 of the way through when I start having the static and pixelation problems.