Dear Maintainer, this issue might be following upstream bug [1].
Because of that winepath "emits DOS-style instead of UNIX-style line endings". Therefore the carriage return character got part of the filename and could therefore not be found. This got fixed already in upstream wine-5.7. Kind regards, Bernhard [1] https://bugs.winehq.org/show_bug.cgi?id=48937
# Bullseye/testing amd64 qemu VM 2021-03-07 dpkg --add-architecture i386 apt update apt dist-upgrade apt install systemd-coredump sddm xserver-xorg openbox mc ffmpeg sshfs dos2unix http://www.conversationsnetwork.org/levelator wget http://cdn.conversationsnetwork.org/LevelatorSetup-2.1.1.exe md5sum LevelatorSetup-2.1.1.exe 55b968fc015c11b210be6c1395796d26 LevelatorSetup-2.1.1.exe apt install wine export DISPLAY=:0 wine --version # 5.0.3-3 wine wineboot wineserver -k wine LevelatorSetup-2.1.1.exe wineserver -k ffmpeg -f lavfi -i "sine=frequency=1000:duration=20" test.wav WINEPATH=$(winepath --windows /home/benutzer/test.wav) wine "c:/Program Files (x86)/Levelator/levelator.exe" $WINEPATH # wine c:/Program Files (x86)/Levelator/levelator.exe Z:\home\benutzer\test.wav wineserver -k dpkg --purge wine libwine:amd64 libwine:i386 fonts-wine wine32:i386 wine64 # activate unstable in sources.list apt update apt install wine-development wine --version wine-5.6 (Debian 5.6-1) wine wineboot wineserver -k WINEPATH=$(winepath --windows /home/benutzer/test.wav) wine "c:/Program Files (x86)/Levelator/levelator.exe" $WINEPATH # wine c:/Program Files (x86)/Levelator/levelator.exe Z:\home\benutzer\test.wav Message Box: The Conversati...twork Levelator Can't open the source file: Z:\home\benutzer\test.wav wineserver -k winepath --windows /home/benutzer/test.wav | hexdump -C 00000000 5a 3a 5c 68 6f 6d 65 5c 62 65 6e 75 74 7a 65 72 |Z:\home\benutzer| 00000010 5c 74 65 73 74 2e 77 61 76 0d 0a |\test.wav..| 0000001b dpkg --purge fonts-wine libwine-development:amd64 libwine-development:i386 wine-development wine32-development:i386 wine64-development # Cached packages from upstream wine: https://dl.winehq.org/wine-builds/debian/dists/buster mkdir /wine-bin sshfs -o allow_other,uid=1000,gid=1000 bernhard@...:/wine-bin /wine-bin mkdir -p /home/bernhard/data/entwicklung/2021/wine ln -s /wine-bin/wine-git /home/bernhard/data/entwicklung/2021/wine/wine-git ln -s /wine-bin $HOME/ export PATH_ORIG=$PATH export PATH="$HOME/wine-bin/winehq-devel/winehq-devel_5.5~buster_amd64/opt/wine-devel/bin:$PATH_ORIG" wine --version wine-5.5 wine wineboot wineserver -k WINEPATH=$(winepath --windows /home/benutzer/test.wav) wine "c:/Program Files (x86)/Levelator/levelator.exe" $WINEPATH --> seems to work export PATH="$HOME/wine-bin/winehq-devel/winehq-devel_5.6~buster_amd64/opt/wine-devel/bin:$PATH_ORIG" wine --version wine-5.6 wine wineboot wineserver -k WINEPATH=$(winepath --windows /home/benutzer/test.wav) wine "c:/Program Files (x86)/Levelator/levelator.exe" $WINEPATH --> Can't open the source file: Z:\home\benutzer\test.wav winepath --windows /home/benutzer/test.wav | hexdump -C 00000000 5a 3a 5c 68 6f 6d 65 5c 62 65 6e 75 74 7a 65 72 |Z:\home\benutzer| 00000010 5c 74 65 73 74 2e 77 61 76 0d 0a |\test.wav..| 0000001b winepath --windows /home/benutzer/test.wav | dos2unix | hexdump -C 00000000 5a 3a 5c 68 6f 6d 65 5c 62 65 6e 75 74 7a 65 72 |Z:\home\benutzer| 00000010 5c 74 65 73 74 2e 77 61 76 0a |\test.wav.| 0000001a export PATH="$HOME/wine-bin/winehq-devel/winehq-devel_5.7~buster_amd64/opt/wine-devel/bin:$PATH_ORIG" wine --version wine-5.7 wine wineboot wineserver -k WINEPATH=$(winepath --windows /home/benutzer/test.wav) wine "c:/Program Files (x86)/Levelator/levelator.exe" $WINEPATH --> seems to work winepath --windows /home/benutzer/test.wav | hexdump -C 00000000 5a 3a 5c 68 6f 6d 65 5c 62 65 6e 75 74 7a 65 72 |Z:\home\benutzer| 00000010 5c 74 65 73 74 2e 77 61 76 0a |\test.wav.| 0000001a https://bugs.winehq.org/show_bug.cgi?id=48937