FLStudio 11 (64-bit) in FL 12.0.2 (64-bit), on a Windows 8.1 64-bit OS for about four days now, and it crashes every single time. I have to force quit through Task Manager after a few minutes ...
FL 20 was newer . Ended up uninstalling FL 20 and having to reinstall all Waves plugs because troubleshooting ended up affecting FL 12.5 as well , causing Wave Shell Wrappers . The Waves plugs that don't show up in FL 20 Plugin ...