If yes, start enabling one extension at a time and simultaneously checking if the PDF file is loading. Now that you know that there is a corrupted extension, you need to figure out which one it is! You can do it by disabling all the extensions and checking if the PDF file loads in the normal tab. If yes, then there is a corrupted extension causing the error. Step 3- Check if the PDF file is accessible in incognito mode. Step 2- Copy and paste the URL of the website containing a PDF file, in the incognito tab and hit Enter.
All the extensions are disabled by default in the incognito tab. Step 1- On your Chrome browser, open an incognito tab.