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Firefox doesn't know how to open (blockedhttp)??


In Outlook and Army Web Mail, when I try to open a link in a mail document I get a pop-up from Firefox stating, and I quote, "Firefox doesn't know how to open this address, because the protocol (blockedhttp) isn't associated with any program." I can not find anything on the "Blockedhttp" issue anywhere. Please pass along what ever youo may know. I have got to "unblock" this problem...

Additional System Details

This happened

Every time Firefox opened

This started when...

Every time I try to open a link in an email.

Installed Plug-ins

  • nphpclipbook
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Default Plug-in
  • Shockwave Flash 10.1 r53
  • Adobe Shockwave for Director Netscape plug-in, version 11.5
  • Next Generation Java Plug-in 1.6.0_21 for Mozilla browsers
  • 3.0.50106.0
  • Office Authorization plug-in for NPAPI browsers
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Adobe PDF Plug-In For Firefox and Netscape


  • User Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv: Gecko/20100625 Firefox/3.6.6

More Information

Found NONE.

Tannn3r 11 solutions 77 answers

Look at the URL bar. Sometimes sites put words together (on accident, of course). For example, Please check the site herehttp://google.com/ . Firefox would then report it couldn't find herehttp. So try removing the 'blocked' part and it should work.

Question owner

No it is not just words put together. It happens every time I try to open ANY link??? Can I truly be one of Two people with this problem???

Thanks to anyone willing to try and help...

  • Top 10 Contributor
2348 solutions 20818 answers

You are not alone. But you have to manually edit URLs due to AKO policy. Please see this post, too:


koch1900 0 solutions 2 answers

This is very frustrating and I hope someone with more experience than me can help us solve this problem. I have a Macbook Pro with OS X 10.6.6, with Safari, Firefox, and Chrome installed. My email provider is the US Army/Army Knowledge Online (AKO) and it is definitely caused by the AKO policy described on one of the pages above. However, there is no reason I should not be able to modify my own computer to interpret "blockedhttp://" as "http://"--I just don't know how to do it. I have found and tried two extension handler preference panes, More internet (moreinternet1.2.dmg) and Rubicode's Default App (RCDefaultApp-2.1.X.dmg). I made Firefox choose itself for "blockedhttps://" and now when I click on such a link, Firefox repeatedly opens a tab "Untitled"--again and again--so that it is nearly impossible to close, which is the only way to interrupt the loop! The WORKAROUND article at http://www.symantec.com/connect/forums/blocked-hyperlinks-e-mails doesn't apply because I'm using a Mac. Changing the association to Chrome makes it crash, and Safari says "Safari can’t open “blockedhttp://somewhere.com” because Mac OS X doesn’t recognize Internet addresses starting with “blockedhttp:”.

koch1900 0 solutions 2 answers

Also, the technique for mapping a custom protocol to an application on a Mac (http://stackoverflow.com/questions/471581/how-to-map-a-custom-protocol-to-an-application-on-the-mac) seems unlikely to do the trick. Someone please tell me if I am wrong!!!