When you use the Spell check feature when composing a new mail message in Windows Mail, the following error message may be displayed:
This language is no longer available for spell checking. Please select another in the spelling options dialog.
When you use the Spell check feature when composing a new mail message in Windows Mail, the following error message may be displayed:
This language is no longer available for spell checking. Please select another in the spelling options dialog.

This happens if the default language is not set in the spell checker options. Follow these steps to resolve the problem:
Note: In step 2, make sure that you select the Tools menu from the main window, not the New Mail message window.