If you are reading this, you have likely just been greeted by a small but incredibly frustrating dialog box. You double-clicked an application (often a PS3 controller tool like SCP Toolkit or a similar Bluetooth driver utility), and instead of your program launching correctly, you saw the ominous red text:
A: Yes, critically. Once bthps3 claims your Bluetooth radio, you cannot use it for anything else (headphones, mice, keyboards). The driver makes the radio PS3-controller-only. Use a dedicated dongle if you need both. bthps3 bluetooth host radio not found
A: Yes, but it’s harder. Windows 11 has stricter driver integrity. You must disable driver signature enforcement (Fix #2) or boot into “Disable Integrity Checks” mode. Conclusion: You Can Beat the Bthps3 Error The “bthps3 Bluetooth host radio not found” error is a rite of passage for PC gamers wanting to use a PS3 controller wirelessly. It is cryptic, but it is not a death sentence for your hardware. If you are reading this, you have likely