I'm having the same issue as the OP: when I click on Start8Tweak.exe, it simply opens my Web browser to the following URL:
https://www.stardock.com/products/start8/update.asp
If I copy Start8Tweak.exe to my Desktop and run it from there (as suggested by another poster), it will run, but it won't allow me to unload Start8.
Yes, I'm using the latest version, v1.47.
Any suggestions?
JohnB