--- windows font marlett issue on update ---
windows font marlett issue on update : http://windowsforum.com/threads/restart-after-windows-update-causes-font-change.73364/
happened to me once, use this http://www.sevenforums.com/attachments/tutorials/230730d1347121784-fonts-change-set_tahoma_default_font.reg
( redefines another font as substitute for Segoe UI )
Used for the windows UI since 95
