Issue - Can't create a ticket because there is a white transparent window covering the form. (see pic below)
What OS does this happen in? - Mac, Windows, ChromeOS
What browser does this happen in? Most of them. For sure Firefox, Chrome, Safari
Why does this happen? Your computer's display settings are set to low which can also cause your browser window to be to small.
Fix! - Change your computer's display settings to a higher resolution and then you can maximize your browser window.