If you get this error during playback, it may be a locked driver. Unplugging the USB, waiting for the interface to turn off, and plugging it back in helps "reset" the driver connection. Summary of Fixes Reinstall Focusrite Control Corrupted drivers Change USB Port Faulty cable/port Match Sample Rates 0x54f on project load Disable Exclusive Mode Multiple apps using audio
Corrupted Focusrite USB drivers following a Windows update. cannot open focusrite usb asio error code 0x54f
Before diving into complex driver settings, try these immediate steps: If you get this error during playback, it
Windows or background applications (like Discord, web browsers, or specialized gaming headsets) have hijacked the audio interface's WDM driver, preventing the DAW from gaining exclusive ASIO access. cannot open focusrite usb asio error code 0x54f
Uncheck . Do the same for the Recording tab. 5. Check Windows Privacy Settings