A few users of Windows versions of the Acrobat Reader plug-ins for Internet Explorer and Netscape Navigator have reported problems viewing PDF files on-line. Here are a few notes that may help:
Remember, you must have Acrobat Reader version 3.0 or later.
You can right-click on the link to a PDF file to get a pop-up (floating) menu that includes a command to save the file to disk. By saving the file to your hard disk, then launching Acrobat Reader and opening the file, you can avoid using the Web browser plug-in altogether.
The first thing to try if you want to fix a problem plug-in is to reinstall your copy of Acrobat Reader.
Adobe's technical notes discuss how to manually install the plug-ins and how to configure your Web browser to use Acrobat Reader as a "helper" application rather than as a plug-in:
PDF Pages Are Blank Inside Web Browser Window
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