Urgent help

[Dumembegu]

I am having 6 cline both of them on my DM800hd pvr i had two b4 it worked ok but i got others now wanna see both on my dreambox,the problem is the picture stalk alot on my box so is that the problem b'se not all of them are online at the moment only one but it dammy slow and it stalk alot please should i remove the rest...help needed