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.

With Internet Explorer no longer supported by Microsoft, here's how to jump ship to Microsoft Edge.

It's almost the end of the line for Internet Explorer. If you want to stick with Microsoft, here's how to move your favorites, settings, and more from IE to the Edge browser.

Internet Explorer also supported the once-popular ActiveX plug-ins, which enabled it to open types of files not normally supported by browsers. Many old sites relied on ActiveX in order to function.