Quote:
	
	
		
			
				
					Originally Posted by  theducks
					 
				 
				2 things come to mind: 
1) a recently added font is corrupt/the font Calibre was using was removed. 
 
2)you have corrupted the settings. 
Preferences: Miscellaneous: click the button labeled Configuration Folder.. 
Leave the folder OPEN and Exit Calibre. 
Delete the folder (and contents) 
Uninstall Calibre,then Reboot 
Re-install Calibre 
			
		 | 
	
	
  yes to # 1 ..it happened after I updated...told my mom I should have stuck with my "if it aint broke don't fix it" rule of computing ...made sure she never up dates here ,,

 I will try your second suggestion ...and Helens if it doesn't work ..
 I have a LARGE number of books to convert from epub to mobi,,,just like this program ..would be a shame to have to use another