@ more AA6YQ comments below
+ As you have things configured, the Launcher is competing with all of the other Windows startup tasks and applications for CPU and
memory resources. How long does it take the Launcher window to appear when you start it "manually"?
About a second or less.
@ Then there's interference from your anti-malware or any another application is not a factor. The delay is caused by your computer
being busy with Windows' various startup processes.