Do you use LinVST for making Windows plugins appear as Linux plugins in Ardour or do you run for example Superior Drummer standalone? I suspect that wine is not the problem because you write that EZBass works. This last part is something you should ignore (sorry, forgot to not include it). Hope this solves your problem, good luck! Sudo apt-mark unhold wine-staging-dev=6.4~focal-1 Sudo apt-mark unhold winehq-staging=6.4~focal-1 Sudo apt-mark unhold wine-staging=6.4~focal-1 #The fix in on GitHub and should be in 6.4 so remove the lock when wine 6.4 is coming Sudo apt-mark hold wine-staging-dev=6.4~focal-1 Sudo apt-mark hold winehq-staging=6.4~focal-1 Sudo apt-mark hold wine-staging=6.4~focal-1

#Pin the packages so they’re no upgraded together with other packages Sudo apt install wine-staging-dev=6.4~focal-1 Sudo apt install winehq-staging=6.4~focal-1 Sudo apt install wine-staging=6.4~focal-1

#Install wine-staging=6.4 for your distro:

Sudo apt install wine-staging-amd64=6.4~focal-1 Sudo apt install wine-staging-i386=6.4~focal-1

#install dependsis for your distro (in my case, focal = ubuntu 20.04): #Remove the current wine installation (example: winehq-staging) #Open your terminal and check the avable versions if needed: I’m not entirely sure that wine is the problem since some of your plugins work, but here it is (using some terminal), lines starting with # are just comments and do not do anything (i don’t know our knowledge level, my distro is Kubuntu 20.04)):

Superior drummer 2.0 install error