[Elecraft] {K3} New Upload of MCU stuck

[Ham Radio]

I was uploading my newly arrived, upgraded and fixed K3 serial 1526 from the factory to the latest version and it froze with the MCU LD displayed and the K3 utility program asking to be closed.  I was doing the upgrade of the MCU through a virtual port set up by Microham uRouter program and something did not go correctly.  I need some help with this.  I unplugged it and it doing the same thing.  The transmit light is flashing and the MCU LD is displaying.  I just received the K3 today after a month and I would like to get it working again.

Keith
AK6ZZ