[BUG] UnicodeDecodeError?

[seiermax]

Installed the program under latest updated versions of MSFS store edition and Windows

[seiermax]

When I start the bat, it immediately stops again. The contents of the text window is:

E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0>.\Python39\python.exe src\app.py
Restoring hosts
Restoring hosts
Exception in Tkinter callback
Traceback (most recent call last):
File "E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0\Python39\lib\tkinter_init_.py", line 1892, in call
return self.func(*args)
File "E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0\src\app.py", line 241, in run
self.stop()
File "E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0\src\app.py", line 313, in stop
restore_hosts()
File "E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0\src\runner.py", line 36, in restore_hosts
host = f.read()
File "E:\Hilfsprogramme\Google Maps Replacement\msfs2020-google-map-2021-12-04_3ULI0\Python39\lib\encodings\cp1252.py", line 23, in decode
return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 454804: character maps to

Any idea about what I did wrong and how to fix the problem?
TY all in advance for your support