In a recent Google Chrome update (Version 68.0.3440.106), there is a problem when opening PDF files in the browser. The file opens and after a few seconds the page turns completely blank.
Below you can read how you can resolve this issue.
Open the 'Settings' menu by clicking the three dots in the upper right corner of the browser.
A new browser window will open. Scroll all the way down and click on 'Advanced'.
Scroll further down to the 'System' settings.
Disable the 'Use hardware acceleration when available' switch.
Restart Google Chrome
Completely shut down your browser and restart to apply the settings.
Your PDF's should stay open again after applying these settings.