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I think this is no normal situation.
Please write more info becouse is hard help you
oky
look this video
What image, and skin, do you have loaded?
Have you checked that your VU+ Duo is genuine?
What setup do you have, single satellite dish, fixed, motorized, etc.?
A short video doesn't tell us anything.
Have you checked the receiver for a crash log?
Does this happen on all HD channels?
Has it ever crashed on SD channels?
How long have you left it running?