Here is my proton log:
======================
Proton: 1602709129 proton-5.13-1b
SteamGameId: 292030
Command: ['/mnt/A64E4DE14E4DAABF/SteamLibrary/steamapps/common/The Witcher
3/bin/x64/witcher3.exe']
Options: {'forcelgadd'}
======================
ERROR: ld.so: object '/home/luka/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from
LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
wineserver: /mnt/A64E4DE14E4DAABF/SteamLibrary/steamapps/compatdata/292030/pfx is not
owned by you
ERROR: ld.so: object '/home/luka/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from
LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/home/luka/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from
LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
wine: '/mnt/A64E4DE14E4DAABF/SteamLibrary/steamapps/compatdata/292030/pfx' is not owned
by you
I am dualbooting manjaro and windows at the moment, and would like to use the same steam library folder on a hdd that is not a boot drive for windows or manjaro.