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Font abnormal displaying in windows 7 and can't set it right.

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I just install windows 7 64 bit and install firefox 25.

My problem is the font that should display as serif or default setting turn to be like this http://img10.imageshack.us/img10/742/49dz.png Cap from my yahoo mailbox.

While on IE it's like this http://img14.imageshack.us/img14/7690/8dnm.png

source code http://img24.imageshack.us/img24/8647/bgmq.png

Even on a flash game http://img843.imageshack.us/img843/8954/3143.png

And these are my setting which done nothing to change even tick off the allow pages to sude its own font. http://img844.imageshack.us/img844/7846/nz41.png http://img855.imageshack.us/img855/3497/5w5c.png http://img703.imageshack.us/img703/1118/tzd6.png

Also have HW acceleration turn off. Savemode also not helping. Can anyone help me?

I just install windows 7 64 bit and install firefox 25. My problem is the font that should display as serif or default setting turn to be like this http://img10.imageshack.us/img10/742/49dz.png Cap from my yahoo mailbox. While on IE it's like this http://img14.imageshack.us/img14/7690/8dnm.png source code http://img24.imageshack.us/img24/8647/bgmq.png Even on a flash game http://img843.imageshack.us/img843/8954/3143.png And these are my setting which done nothing to change even tick off the allow pages to sude its own font. http://img844.imageshack.us/img844/7846/nz41.png http://img855.imageshack.us/img855/3497/5w5c.png http://img703.imageshack.us/img703/1118/tzd6.png Also have HW acceleration turn off. Savemode also not helping. Can anyone help me?

All Replies (2)

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Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.

You can try these free programs to scan for malware, which work with your existing antivirus software:

Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.


Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Did this fix your problems? Please report back soon.

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This can be a problem with the font that is used to display the text.

You can right-click on the text and use "Inspect Element" to open the built-in Inspector and check the Font tab to see which font is used.

You can use this extension to see which fonts are used in text that is selected (right-click: "Show fonts in selection").

You can do a font test to see if you can identify corrupted font(s).

You can try different default fonts and temporarily disable website fonts to test the selected default font.

  • Tools > Options > Content : Fonts & Colors > Advanced
  • [ ] "Allow pages to choose their own fonts, instead of my selections above"