the option: "Allow applications to take exclusive control of this device." Click Apply. 4. Update USB Drivers/Chipset
If the standard solutions have not resolved the 0x54f error, you can try these more advanced troubleshooting steps, though they apply to fewer scenarios.
If error 0x54f goes away, you know there’s a conflict. Keep the onboard audio disabled while using the Focusrite, or update its drivers. cannot open focusrite usb asio error code 0x54f
Sometimes, Windows Privacy settings restrict microphones, which can cause driver issues. Go to Windows > Privacy > Microphone .
This is almost never a problem with the physical hardware of your Focusrite interface itself. Users have reported that the same interface works perfectly on one computer but triggers this error on another, or even works fine for other software on the same machine [0†L43-L44][15†L9-L10]. The issue lies within the software/driver communication chain on your specific system. the option: "Allow applications to take exclusive control
If an update for Windows or the software fails or overlaps with an existing setup, it can leave behind corrupt registry entries and mismatched binaries. A standard overwrite often will not clear the 0x54f block. Step-by-Step Fix: Error Code 0x54f - Cubase - Steinberg Forums
: Ensure your project sample rate in your DAW matches the Windows sound settings (typically 48,000Hz or 44,100Hz ). Disable Exclusive Mode : Go to Windows Sound Settings > More sound settings . If error 0x54f goes away, you know there’s a conflict
If you’ve tried all the above and still see error 0x54f:
Set the default format to or 24-bit, 48000 Hz . Repeat this for the Recording tab (Microphone).
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