Win7 has not shipped yet. Patches, when available, are for shipping products
only.
Historically speaking, LT2006 will most likely not be patched ever, (4)
versions back from current LT2010. Try Win7's Compatibility Mode for old
software, or step back to WinXP.
--
Dean Saadallah
http://LTisACAD.blogspot.com
--