Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache. Note: This will temporarily log you out of all sites you're logged in to. To clear cache and cookies do the following:

1. Click the menu button and click History button, and then Clear Recent History... .
2. Under "Time range to clear", select "Everything".
3. Now, click the arrow next to Details to toggle the Details list active.
4. From the details list, check Cache and Cookies and uncheck everything else.
5. Now click the Clear now button.

Further information can be found in the Clear your cache, history and other personal information in Firefox article.

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I deleted as you stated... No Help. I have closed firefox all the way and started it. Still with... AT&T Email SBCGLOBAL the check boxes are not there just code... if hover with cursor it recognizes that cursor is there.

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

• Hold down the Shift key and left-click the Reload button
• Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
• Press "Command + Shift + R" (Mac)

Those missing icons are actually supplied by a font that is downloaded from the server (@font-face) as you can see by the little boxes that show the hex code of the characters.

Make sure that you allow pages to choose their own fonts.

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

You can check the gfx.downloadable_fonts.enabled pref on the about:config page and make sure that it is set to true (if necessary double-click the line to toggle its value).

Thank You., That was the FIX...

The allow pages to choose their fonts was not checked.  
 I also checked the GFX and it is set to  TRUE.   But the allow pages is the fix.

Thanks.