If you have the problem ‘Windows encountered a problem installing the drivers for your device’ when installing KT200 software, just disable driver signature enforcement to solve this error quickly by the following guide.

Go to Taskbar settings>> Home

Enter Windows settings interface

Click Update & Security>> Recovery>> Advanced startup>> Restart now

When restarting the PC, choose Troubleshoot>> Advanced options>> Startup Settings>> Restart

Press F7 to disable driver signature enforcement

Then install KT200 Driver again

• Go to computer management>> Device Manager>> other devices>> DFBTech device>> Update driver>> Browse my computer for driver software

Search for driver in this location C:/Users/Administrator/Desktop /KTM200-22.804/DFBTech_Driver folder

Click ‘Next’

Choose ‘Install this driver software anyway’

Now windows has successfully updated your drivers.

And the USB DFBTech Driver also appears under Universal Serial Bus controllers.

Video Guide:

https://www.youtube.com/embed/pC6KPI1VeBs

Read also:

KT200/KTM200 User Guide: Comparison, Software Download, Install, ECU TCU List

KT200 Read EDC16/17 MG1CS001 SH7055 TC1738 via Bench/ BDM/JTAG/ Boot

UK Professional OBD2 Tools Online Shop