There are more locations than the control panel for fonts. Mac and windows are both nutty for having numerouslocations where fonts are loaded and foreign language fonts nobody used. I am more familiar with the mac OS so cannot name all the locations on WIN7.Here si one other:
Clsoe all apps.
Close any fonts you are not using.
Delete C:\Windows\System32\FNTCACHE.DAT, and restart your system. This will clean out your font cache which has a font ID conflict.