Fix Firefox Font Rendering Problem in Snow Leopard

August 30, 2009

Upgrading my iMac to Snow Leopard, one of the oddities I ran across was that in Firefox 3.52, a number of pages had their normal fonts replaced with “Courier” in odd places. Opening Font Book, I noticed that a number of fonts commonly used on web pages (Ariel, Verdana, etc.) showed that “duplicates” were present.

I right clicked on each of these, selected “Resolve Duplicates” and restarted Firefox, after which everything was back to normal.

No idea what the cause of this was, just thought I’d toss this out in case anyone else runs into it…

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6 Responses to “Fix Firefox Font Rendering Problem in Snow Leopard”

  1. Abby on September 2nd, 2009 9:05 pm

    You are a SAINT! Thank you!

  2. Andersius on September 3rd, 2009 8:54 am

    I’m having the same problem, but it didn’t work for me…

  3. Rob Langdon on September 6th, 2009 1:20 pm

    Thanks for that, weird action, eh? Still, all working now, so cheers!

  4. Robert on September 29th, 2009 3:16 am

    I had the same problem when opening up Yahoo Mail. Some of the fonts were messed up. This was after my install of Snow Leopard on a MacBook Air. Thanks a lot!!!! You saved me likely hours of frustration. The net (people) is good.

  5. Niki on November 19th, 2009 1:51 am

    i will try~

  6. ssth on January 6th, 2010 3:13 pm

    THANK YOU!!!!
    I have had the same problem than Andersius, but finally I tried the same steps with Lynotype and then I resolved the problem!!
    .-= ssth´s last blog ..Favourite Comics and Art Books of 2008 Part 2: John’s picks… =-.

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