FAQs: Troubleshooting Mozilla Firefox

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Popup blocker – Mozilla Firefox

If your course is not opening when you click the open course icon or links within the course will not open, you may have to allow McKissock.com in your popup blockers settings.

  • Click the Menu Icon (For FireFox 29 and above. Top Right corner, three lines stacked on each other.)
  • Click on options
  • Click on the Content Tab (Tabs are listed across the top)
  • Where it says block pop-up windows click exceptions
  • Where it says Address of Website type in www.mckissock.com
  • Click Allow.
  • Close the window
  • Click Ok on the options screen
  • Close your browser and reopen.


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