Terry J. Reedy added the comment:
The uploaded .png has the traceback. (Pasting it into the post would have been
fine and a bit easier for all of us.) The error occurred when IDLE's config
tried to load the user config files, ~/.idlerc/config-xyz.cfg. (~ is usually
C:/Users/yourname.) conf
New submission from 左迟 :
Environment:
1.OS:
Windows 10 1909 Pro
2.Python version:
3.7.4 (default, Aug 9 2019, 18:34:13) [MSC v.1915 64 bit (AMD64)]
3.Error message:
UnicodeDecodeError: 'CP_UTF8' codec can't decode byte 0xd0 in position 23: No
mapping for the Unicode character exists in the targ
