The successfully resolves the signature enforcement issue. Installation requires temporarily disabling driver signature checks or enabling test mode. Once installed, the device functions as a standard COM port and works with compatible flashing software.
Modern Windows 10 builds usually run on a 64-bit (x64) architecture, whereas older Galletto software was built for 32-bit (x86) systems.
Right-click and select -> Browse my computer for drivers . galletto 1260 drivers windows 10 fixed
Locate the broken device. It will likely be under listed as FT232R USB UART or Unknown Device with a yellow warning triangle. Right-click the device and select Update driver . Choose Browse my computer for drivers .
To force Windows 10 to accept the unsigned legacy driver, you must temporarily disable its security enforcement. The successfully resolves the signature enforcement issue
: It supports reading and writing the flash/EEPROM dump directly through the OBD2 port without needing to disassemble the ECU. Windows 10 "Fixed" Installation Guide
Some users have success using a Windows XP or Windows 7 virtual machine within Windows 10 (using software like VirtualBox or VMware). This creates a completely isolated environment with older, compatible drivers that run inside Windows 10. However, this adds complexity and can introduce latency issues. The method described above (disabling driver signature enforcement) is generally preferred for better stability and reliability. Modern Windows 10 builds usually run on a
Go to the tab and click Device Installation Settings .
If your laptop throws error codes, identifies the cable as an "Unknown Device", or drops connection mid-flash, the culprit is almost always a faulty driver implementation on modern OS builds.
