The file was downloaded 2,300 times in the first year. Not a lot. But enough. Enough to know that somewhere, another tired soul at 2 AM, facing a yellow triangle, would find a green light—and for one brief, beautiful moment, defeat planned obsolescence.
| Error Code | Meaning | Solution | |------------|---------|----------| | (Device cannot start) | Driver conflict or resource issue | Uninstall the device from Device Manager, check “Delete driver software,” then replug. Use Method 1 again. | | Code 31 (Driver failed to load) | Unsigned or corrupted driver | Enable Test Mode (Method 3) or install the Atheros reference driver with signature enforcement temporarily disabled. | | Code 43 (Hardware failure) | Usually a dead adapter or USB port issue | Try a different USB port (USB 2.0 preferred). Test on another PC. If still Code 43, the hardware is likely faulty. | | Adapter connects then disconnects | Power management | Go to Device Manager → Properties of the adapter → Power Management tab → Uncheck “Allow the computer to turn off this device.” | sony usb wireless lan adapter uwabr100 driver windows 10 upd
However, Microsoft Windows 10 includes a generic driver for the USB\VID_0CF3&PID_9271 hardware ID (Atheros AR9271), which is the core of the UWA-BR100. The challenge is getting Windows to use that driver instead of failing with an error. The file was downloaded 2,300 times in the first year
The Windows 10 wireless auto-config service conflicts with legacy drivers. Enough to know that somewhere, another tired soul