I use PDF-XChange Viewer, I have tried Adobe, Nitro, Foxit and a few other PDF readers, but PDF-XChange Viewer is by far the best. It allows you to open PDF files that other PDF readers can't open for some reason.
I was so pleased with the free version that I purchased the "Professional Edition". It's money well spent.
This from the software publisher's website:
The No.1 rated BEST PDF Reader - as voted by Life Hacker Readers by a 2-1 margin for the 2nd year in a row!
Those wishing to View/Modify or perform simple editing and even OCR Image based PDF files on their Windows PC's now have a FREE pdf reader alternative to the Adobe Reader! The PDF-XChange Viewer is smaller, faster and more feature rich than any other FREE PDF Reader/ PDF Viewer/ PDF Editor available. This free pdf viewer download also allows users to try the extended functionality offered by the PDF-XChange Viewer 'PRO' in evaluation mode - for free. No PDF reader or Viewer offers more features than PDF-XChange - or does so without compromising performance and quality, checkout the feature list below and save $100's in unnecessary expenditure on your PDF software today. Also included are the very powerful PDF-XChange Shell Extensions and iFilter.
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