Reduce number of active fonts | Windows 7, Windows Vista

Choose Start > Control Panel.

Click Appearance and Personalization, and then click Fonts.

Select all of the fonts in the Fonts folder.

Move the selected fonts to a temporary folder on the desktop.

Restart Windows.

Try to re-create the problem in your application. If the problem occurs, it could be related to a font installed by Windows. If the problem doesn't occur, move a small group of fonts back into the Fonts folder, and then restart Windows.

Try to re-create the problem in your application. If the problem occurs, remove some of the fonts from the Fonts folder. If the problem doesn't occur, add a few more fonts to the Fonts folder.

Restart Windows.

Repeat steps 7-8 until you isolate each problem font.

Delete each problem font from the hard disk and reinstall it from its original disks or CD. If a font continues to cause problems after you reinstall it, then contact the font manufacturer for assistance.