After much frustration I have decided the following:
Problem solved.

...and there are no other jtag devices on the system.

Jumpers Ahoy!

I erased the program. Same problem. Problem persists. Same screenshot. Same error message.

" If this program redefines GPIO12-15 to do something else, JTAG won't work" -- that makes some sense. I will invoke esptool.py to erase the flash and try again. Who knows?!

Yes, I went through ( https://docs.espressif.com/projects/esp ... it-v3.html ) several times.

I guess I must be asking the impossible.

Annotation 2020-02-13 014504.png I have version 3 of the wrover dev kit. I need to set it up so that I can debug using Visual GDB, but I get this error output (see attached) when I test the connection. Visual GDB support says that it's a problem in how the device is setup/connected. How do I setup ...