I have been having the same problem since the introduction of the disabled-tracks-feature of Cubase 7 or 7.5, some four years ago. I still hope that this feature will be 100% working someday.
In the latest version, 9.5, Cubase still crashes when enabling a disabled track, but Cubase don’t totally crash with a program shutdown anymore, so I just ignore the crash popup messages save the project in a new filename and continue working, because the vst instruments from the disabled tracks do work, so its not the vst instrument plugin that causes these crashes! These crashes are random when enabling vst instrument tracks, as in sometimes a particular vst instrument track crash when being enables, and sometimes it doesn’t crash. Even Steinbergs own vst instruments crash this way, sometimes.
It is not enough to inactivate/hide all the vst plugins that I don’t want to use anymore, because if some of those plugins are in a Cubase project I import then those plugins are still available to cause trouble. So again it might be wise to rebuild a template in any new version of Cubase, just in case some old trash data exist in the template.
Perhaps this old issue has something to do with asio guard or the asio driver out of sync or something. I have no idea but I have several hundred crash report files by now. I have looked in some of these crash report files with notepad++ but I cannot figure out by looking at those WHY Cubase crash. In my other DAW crash report are reported in a popup window, so the user is told what happened and why. This is something I miss from Cubase, so I still prefer writing music in my old and cheap DAW and then do my mixing in Cubase afterward and working with audio files only have never caused Cubase to crash here.
I don’t recall that these crashed were that often with my previous Cubase 8.5 version, but perhaps I should rebuild my huge template in Cubase 9.5, as some users have suggested. This can be done faster than expected with the “export selected tracks” feature.
I hope Steinberg Support read these comments, because I don’t bother reporting this issue to them again, because I cannot make Cubase crash every time I enable a vst instrument track - it is more like : 50% of the time I enable a vst instrument track, then Cubase crashes. It happens to any vst instrument with or without any vst fx.
My system is Cubase 9.5.21, Windows 8.1, Core i7 4ghz, 32gb ram, ssds.
btw. I have uninstalled all the plugins that I either don’t want to use anymore and the plugins that Cubase 9.5 have blacklisted.
I have reported this before, so I copy this post as a reply to my former post too: