Sharing how I fixed this issue…
I reinstalled Amplitube 4. This time I installed the VST2 plugins and the stand-alone version (which I will probably never use). I changed each project to use the VST2 version instead of the VST3 version. I also set the stand-alone version to “Run as Administrator”.
Unfortunately I am not sure if it was changing to the VST2 version or the install & setting the stand-alone version to “Run as Admin…” that fixed it.
At this time I don’t see/hear any difference using the Amplitube 4 VST2 or VST3 version. They sound the same and there is no difference in CPU usage load.
This is a 64-bit VST so no issues with that but, I hope we can keep using VST2 for some time.
Regards 