Fix to check for one or more instances of the KA Lite application when running in an installer.
Fix to check for one or more instances of the KA Lite application when running in an installer.

benjaoming/installers,benjaoming/installers,ruimalheiro/installers,ruimalheiro/installers,ruimalheiro/installers,learningequality/installers,learningequality/ka-lite-installers,mrpau/installers,learningequality/ka-lite-installers,learningequality/ka-lite-installers,learningequality/installers,learningequality/installers,benjaoming/installers,ruimalheiro/installers,mrpau/installers,learningequality/installers,learningequality/ka-lite-installers,benjaoming/installers,mrpau/installers,mrpau/installers