Press CTRL+SHIFT on your keyboard while double-clicking the program's shortcut icon on the desktop to launch it
Did you follow exactly the highlighted text above? You've got to keep Crtl+Shift depressed while double-clicking the desktop shortcut icon. A window will then appear where the clear cache checkbox needs to be checked 'on'.
Do all plug-ins exhibit the same behavior? Some third-party 32bit VST-2 plug-en do not display properly. This issue also exists in Sound Forge 16/17 . Most VST plug-ins display normally SF-18,,
To add EQ or other FX to a region. Automation would need to be used on the track's FX plug-in. It is faster/easier to split the audio event and add the plug to the event.
"Crtl+Shift depressed while double-clicking the desktop shortcut icon" = that worked I was using the taskbar icon. The reset also worked so all good now.