I am unable to connect the device to nRF Connect programmer. Following is the error. how to resolve it? what actually is the problem?

I am unable to connect the device to nRF Connect programmer. Following is the error. how to resolve it? what actually is the problem?

I can see the same info for nrfjprog. I again reinstalled JLink SEGGER and now I can see 'JLink CDC UART Port' but with yellow flag. I am using windows 7 in this case.

I can see the same info for nrfjprog. I again reinstalled JLink SEGGER and now I can see 'JLink CDC UART Port' but with yellow flag. I am using windows 7 in this case.
