"ImportError: No module named Tkinter" even though I've used Tkinter programs as recent as yesterday and no substantial changes were made?

"ImportError: No module named Tkinter" even though I've used Tkinter programs as recent as yesterday and no substantial changes were made?

python debugging import tkinter importerror

tkinter

'>' not supported between instances of 'IntVar' and 'IntVar'

python debugging tkinter

tkinter

Error when transforming my Python code to .EXE using Auto Py to Exe

python debugging tkinter file-conversion

tkinter

Debugging my code

python debugging tkinter

tkinter

Python method strangely on pause until tkinter root is closed

python debugging tkinter destroy

tkinter

Python program becoming unstable after multiple simulations

python oop debugging tkinter

tkinter