Windows often puts USB ports to "sleep" to save power, which triggers the 781 timeout. In , go to USB Root Hub properties. Click the Power Management tab.
Ensure the Start value is set to 2 (Automatic). If it is set to 4 (Disabled), the software will never find the hardware. Prevention Tips mide781 fixed
What (Windows 10, 11, or a legacy version) are you running? Did this happen after a specific update or hardware change? Windows often puts USB ports to "sleep" to