New installation failure (Ubuntu 18.04.1 LTS)

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Expected Behaviour:

normal installation (done this again and again)

Actual Behaviour:

during fresh installation and after the following
[✓] Checking for iproute2
[✓] Checking for whiptail

i get nothing, typical i get a prompt on my display for the interactive options to select, but nothing.
I return to my normal user prompt as root on my machine

Debug Token:

can not do

I have a Ubuntu 18.04.1 LTS fresh install
Please assist

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