Black window with "less", "nano", or "screen" - WSL - Ubuntu 20.04.3 LTS
Solution 1:
Sounds a lot like this issue with a recent Windows 10 Enterprise LTSC update -- Most likely KB5006368. Also found in this Super User question.
Two possible solutions:
-
export TERM=xterm-colorin your startup (e.g.~/.bashrc) - Uninstall KB5006368