The problem is in PyInstaller. Doesn't run after build. How to decide?

Question

Python

Fatal Python error: initfsencoding: unable to load the file system codec
LookupError: unknown encoding: utf-8
Current thread 0x00003584 (most recent call first):
This is thrown when translated to exe.
I tried reinstalling pyinstaller (5 times) didn't help.

Answer 1

The problem is not with pyinstaller, I think. Google the first line Fatal Python error: initfsencoding: unable to load the file system codec.