Here shares the solution to fix foxflash error “EXECUTE DOWNLOAD WITH DFBTech_UPDATER FOR TOOL RE-ESTABLISHMENT” when downloading the software to a new computer.
Make sure the following items are performed:
1. Turn off Defender
2. Set Date/time sync off (When you click ACTIVATE your time should go to 00:00)
3. Connect to a network with a good signal
4. Foxflash ECU Chip Tuning Tool is connected to both USB and 12V power supply
5. Go to the computer manager and check if your foxflash is showing as installed.
If did all the above but had no luck, do a FULL re-install.