ecuhelp KT200 ecu programmer error “The program can’t start because dfb2xx.dll is missing from your computer. Try reinstalling the program to fix this problem.”

Solution:
Option 1: Open KT200-master -> Driver -> i368, copy “dfb2xx” and paste it to C:\windows\syswow64.




Option 2: Free download the newest software again from the kt200 application.
Hope it helps!