(More specifically: ERROR_DEVICE_ALREADY_REMOVED / resource conflict)
Here is the step-by-step guide to resolve this issue, ordered from the most likely fix to the most thorough. cannot open focusrite usb asio error code 0x54f
Close your DAW entirely. Unplug the USB cable from the back of your Focusrite interface, wait 10 seconds, and plug it back in firmly. Ensure the green USB light on the unit stays solid. wait 10 seconds
(More specifically: ERROR_DEVICE_ALREADY_REMOVED / resource conflict)
Here is the step-by-step guide to resolve this issue, ordered from the most likely fix to the most thorough.
Close your DAW entirely. Unplug the USB cable from the back of your Focusrite interface, wait 10 seconds, and plug it back in firmly. Ensure the green USB light on the unit stays solid.