If you never did this, your driver is likely installed but quarantined.
A: Almost never. Your Bluetooth radio works fine for mice and keyboards. The bthps3 driver is just too aggressive for modern Windows. bthps3 bluetooth host radio not found
Run the configuration utility. It often provides a "Fix" or "Install Service" button that can re-register the filter driver with the OS. Advanced "Hard Reset" If the error persists, the cleanest fix is to: via "Apps & Features." Device Manager , right-click your Bluetooth Radio, and select Uninstall Device (check "Attempt to remove the driver for this device"). If you never did this, your driver is
sudo systemctl restart bluetooth