Windows 7, Vista and XP users that installed the latest update from Microsoft on Tuesday,
December 11th are reporting that Postscript OpenType fonts have disappeared from applications.
This issue is not unique to LHF fonts, but affects all Postscript OpenType fonts installed.
The remedy is to set update settings to: "Check for updates but let me choose weather to
download and install them" and then uninstall the update from yesterday by doing a system
restore to an earlier point.
Until Microsoft has discovered what the issue is, DO NOT install any updates for Windows.
It is update: KB2753842 which can be found under: Control Panel > Programs > find that particular update and delete it. Your fonts will then display as normal as before this retarded update.
Also: Don't set your MS updates to "Auto", rather, set it so that you must be notified before any updates are installed.