Fix Adobe Acrobat Reader could not open PDF because it is either not a supported file type or because the file has been damaged error on PC.

Well, some users have reported facing a problem that, whenever they try to download and open a PDF file, Internet Explorer will not open PDF files. Sometimes IE just hangs while downloading PDF files.

If you keep Chrome up-to-date without changing any settings, any PDF you download may open within the web browser by default.