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After upgrading to Firefox 8.0.1, access to Wordpress, Tumblr, etc. causes font on other websites to change to a bubbly sort of wide-breadth Helvetica font.

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  • 3 have this problem
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  • Last reply by leidio

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Restarting the browser resets this style, but after access to the Tumblr or Wordpress dashboard, the default font appears as described above. It thereafter affects other sites.

Restarting the browser resets this style, but after access to the Tumblr or Wordpress dashboard, the default font appears as described above. It thereafter affects other sites.

Chosen solution

Can you attach a screenshot?

Use a compressed image type like PNG or JPG to save the screenshot and make sure that you do not exceed the maximum file size (1 MB).


Issues like that are usually caused by a corrupted or missing font that Firefox replaces with another font.

What is the default font setting?

  • Tools > Options > Content : Fonts & Colors > Advanced
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Seçilmiş Həll

Can you attach a screenshot?

Use a compressed image type like PNG or JPG to save the screenshot and make sure that you do not exceed the maximum file size (1 MB).


Issues like that are usually caused by a corrupted or missing font that Firefox replaces with another font.

What is the default font setting?

  • Tools > Options > Content : Fonts & Colors > Advanced
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Thanks for writing back. Default font is set to Arial.

Again, I stress that Firefox renders this font correctly until access to sites with dynamic user preference-based style, such as WordPress themes, and this change then gets propagated to other sites.

Again, I stress that it is conditional, and not inherent.

Thanks for your help!