Error: “You must change the feed URL ((null)) to use HTTPS or disable App Transport Security”

Some users have recently reported the following error:

With thanks to the users that helped me troubleshoot the details surrounding this error, a fix is now available and in the final stages of testing. I believe I’ve contacted everyone that notified me about this error, but if you’re seeing this while trying to use the CSGO Advantage Tool – drop me and email.

Pending some final stability testing and feedback, the fixed update will soon be made available to everyone. Thank you for the patience and support while working on this issue!