Here is the breakdown of the software situation for Philips GoGear devices:
Click Start > Power.
Hold Shift and click Restart.
After reboot, go to Troubleshoot > Advanced Options > Startup Settings.
Click Restart.
Press 7 or F7 to select Disable driver signature enforcement.
Windows will start. You can now install the unsigned V3 driver.
Rockbox
The open-source firmware replaces the Philips OS. It makes your GoGear appear as a standard USB drive on any OS—no drivers needed. detect philips gogear devices v3 download