Adobe/Acrobat PDF documents will not open, tried community suggestions, version 9.4.4.235

Assorted websites may refer to links for documents to open, but I receive an error message stating that the Adobe/Acrobat loaded will not open them, I have tried all of the community suggestions to no avail

Click the Firefox button, go to Add-ons, then Plugins and disable the following.<br><br>
#Fun Web Products<br><br>
#My Web Search Plugin<br><br>
#Smiley Central<br><br>
For the above three, see: http://www.pchell.com/support/mywebsearch.shtml
In addition, disable the Yahoo ActiveX plugin.
ActiveX is a Microsoft technology which is frequently targeted by criminals. Although the technology is reasonably safe when running inside Internet Explorer, it potentially exposes your system to attack when installed in Firefox.
You do not need it to access Yahoo in any event.
If the problem persists in spite of the above steps, try running Firefox in [[Safe Mode]]. If it functions properly in that configuration, then one of your add-ons is the culprit.
'''N.B.''' You do not need to run "Hijack This" as described in the link since Firefox provides the option to disable plugins as mentioned above.

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