TinyMCE in Chrome Locking Up

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I usually use Google Chrome as my browser of choice. Now I'm having issues with that. When I go to edit a content block on my site, the browser tab locks up. I'm not doing anything major, just typing in words (no formatting, etc.)

Has anyone else seen this issue? I'm using Google Web fonts for the H2, H3, H4 tags, but not for the paragraph font. Could that be the problem?

Any and all help is appreciated.

SkyBlueSofa