Why can i not open certain pdf files?

I am having a problem opening pdfs. I have tried several times to open a pdf from my school but it gives me a blank page but no text. Other pdf documents open fine. I contacted tech support for the school and they checked document and were able to open and view it. I have a Surface with Adobe Reader Touch installed on it. I now have 3 pdfs I can not read or print.

Not many details about anything... It's may be that those files were damaged in transit; PDFs do not seem very fond of travelling through the Internet.

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I tried that.
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Thank you Pat,
I have already been there done that. I first Un-installed all of my adobe freeware (reader, flash player, air. etc) then started reinstalling. First I reinstalled reader (latest version Reader X), same error messages. added AIR (latest version not listed - Last updated April 1st, 2012 -
maybe that should tell me something), same error messages. I un-installed these two and reinstalled AdobeFlash Player,Adobe Shockwave Player,&Adobe Media Player, verifying that each worked after each reinstall of the next program everything was OK until I put Reader back on (NOTE: I dug all the way back to version 8 & still had the problem). for some unknown reason I finally right clicked on a PDF file on my desk top & was greeted with a the drop menu & he option of "open with" for fun I clicked on the "open with" & found that I had two options the first was a white Icon with the Stylized A and labeled Acrobat.com the second was the normal red Icon we all know & live
when I reset the default to the normal red Icon everything began to work just as I have always had adobe reader work. Now I have no clue how or when I picked up the "Acrobat.com" program even worse it does not show up under programs on the control panel. When I have a few moments this evening, I will run a search for "Acrobat.com" & hopefully be able to remove it from my computer.
Bottom line I don't know how I got the program which seems to have caused the breakdown of adobe reader but by resetting the default program to open PDF files it is now working as it should
Thanks for the suggestion.
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Why can i not open certain pdf files?

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