The MIDE-781 error code is a common but frustrating roadblock for users of specific industrial software and media playback systems. Typically, this error indicates a failure in the communication layer between the hardware’s security dongle and the operating system’s driver environment.
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. mide781 fixed
Uncheck Advanced Troubleshooting: Registry Repair The MIDE-781 error code is a common but