KT200 installation error: Windows found driver software for the device, but an error occurred while trying to install it.
DFB_Technology DFOX

Windows cannot verify the digital signature of drivers needed for this device. A recent hardware or software change may have installed a file that is not signed properly, is corrupted, or is malicious software from an unknown source (Code 52)

If you know who made the device, look for information about driver software in the Support section of the manufacturer’s website.

Solution:

KT200 tech support:
https://www.ecuhelpshop.com/