Indeed, I tried Cava and it is working perfectly. Not only has the startup time of the exe significantly decreased, but there are nice features that come along, such as console/gui option, use of icons, selection of run time privileges required (asInvoker, requireAdministrator etc.), easy edition of version/company/product name information...

Thank you very much for suggesting this packager, I had never come across it in the past.

Regards,
Athanasia