system : rtx2070super, 3700x ,8x2 ram.
bug in belnder version : 2.79, 2.8, 2.92
previous success version : 2.79. 2.8
problem : when i use 'add-ons', console say "utf-8' codec can't decode byte 0xb9 in position 22: invalid start byte"
problem file :
Related materials, etc. :,
Blender's python I downloaded :
I'm really new person to coding. (I don't know where to look at coding..) Sorry, but please explain in detail