Just to cover the basics, have you selected these files and rescanned them?
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at #=zij0K4i_MOAe8AaGRphtnFcw=.#=zK4Lrx5Kd50zh(#=zXkA5ol8ciXaKB6WwwdBL0iY= #=ze2KoGrEbGDdn)
if you PM a link to one of the files i will have a look
https://getmusicbee.com/patches/MusicBee34_Patched.zipThis is downloading zero bytes
this should fix the issue:
https://getmusicbee.com/patches/MusicBee34_Patched.zip
unzip and replace the existing musicbee application files
It's working for me. I'm not sure what you've used to download it, but it's just being overly cautious.
And to be fair, it's true - this file isn't commonly downloaded, because 24 hours ago it didn't exist.