I embed three Google Fonts from http://www.google.com/webfonts (Dosis, Open Sans, Lato)

And they all work fine except IE9 where it returns:

CSS3111: @font-face encountered unknown error. 
2HG_tEPiQ4Z6795cGfdivPY6323mHUZFJMgTvxaG2iE.eot

CSS3111: @font-face encountered unknown error. 
KlmP_Vc2zOZBldw8AfXD5g.eot

CSS3111: @font-face encountered unknown error. 
zLhfkPOm_5ykmdm-wXaiuw.eot

And breaks entire website occasionally.

What can be done to resolve this?

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