Fortunately you can bypass the blank installer problem by following these quick steps:ġ) Find the installer file (VILabs Installer) and do not double click it but right click on it and choose from the Menu - 'Show Package Contents'.Ģ) Open the Contents folder and open the MacOS folder.ģ) Open this folder and you will again find the VILabs Installer.Ĥ) Right click on this version of the VILabs Installer and choose from the drop down menu - 'Open with' and then choose Terminal in the list of apps. Your download size is correct so you don't need to download the zip file again. This issue seems to happen on some Sierra or High Sierra systems.