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    Unknown in rs2_create_device Error




      I have windows 10, one d425 and one 435. I have an issue starting the cameras:


      When I start the Intel RealSense Viewer 2.11 & 2.10 I get the message:


      Unknown in rs2_create_device(info_list:0000025F9A4B4F00, index:0):

      Could not initialize extensions controls!


      One week ago both cameras worked fine.

      I tried othe usb port 3.0, other usb cable, only one camera at time,  ...

      I reinstaled drivers, software, ...


      Anyone got an idea about what else to try?



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