Antivirus flags the game with a virus (dropper.gen)
This is a false possitive by the Avira antivirus. Please check that your virus definition file is newer than 188.8.131.52.
Other users and developers have confirmed the game files are safe and that Ren'Py games are sometimes flagged mistakenly.
Game can't run because of lack of resources.
Try closing other applications and restarting the game. the game is a bit of a RAM hog at times.
On Mac: Can't click anything on screen.
We currently don't know what causes this, but users have reported the issue going away on its own. We'll keep looking into it!
If you have any other issue or a question of any kind, feel free to contact us at firstname.lastname@example.org