Make sure you have pop-ups enabled. Here's how
Do you have pop-ups enabled in your browser? The file that is generated opens as a pop-up in a new tab, that's why you need to have pop-ups enabled.
Turn pop-ups On on Chrome
On your computer, open Chrome.
At the top right, click More. Settings.
Under "Privacy and security," click Site settings.
Click Pop-ups and redirects.
At the top, turn the setting to Allowed.