At the beginning of this episode Hank picks up his dad at the airport. They get in the Porsche with the broken headlight. This is a flashback to the period when the movie based on Hank's book was filmed. At that time the headlight of his Porsche was not yet broken, as was shown in the first episode.
In the opening scene we see Hank staring at a computer screen, trying to write something. However, the open screen is clearly a blank page in Adobe Reader, noticeable by the gray bar on the left with the icons. Adobe Reader is not for composing files.