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What am I doing wrong? I have a DM800HD SEV2 genuin, and I've got "No CA found" I'm trying to use Optiflasher, but get the message "Failed open com port" I don't hav any com port. On the dreambox it is USB mini type B, wich is marked "Service" So I use a normal USB A to USB mini b cable to connect the PC to the Dreambox. I have Win 10 on my PC.