I am having problems related to this issue as well. The "Layer Properties Manager" will not open at all. It stopped working March 2007 on our AutoCAD 2006LT (using WinXP-Pro-sp2). Neither the toolbar button nor any of the "Command Line" commands will open the control box, but the "-layer" will still work within the command line. The calculator has also stopped functioning, and anything relating to the "customize user interface" can also not be accessed.
The following has been done/tried:
The Layer Properties Manager control box will not open no matter how long you wait.
The Layer Properties Manager control box is not located somewhere off-screen (alt+spacebar).
There are only two layer filters.
There are <100 layers in the drawings.
LPM control box in the single layer template drawings will not work either, no matter which template is opened first at program launch.
All Microsoft .NET Framework versions were uninstalled, and only 1.1 was reinstalled.
AutoCAD2006LT was reinstalled.
AutoCAD2006LT has been fully updated and patched.
All search and support file pathways and locations were checked and verified.
Windows logged-in profile has full administative priviledges.
The Layer Properties Manager control box will still not open!
CUI and QuickCalc are still not responding !
The only solution that has worked, has been to create a new Windows user logon profile with full administrative priviledges, and AutoCAD works like normal again. I should not have had to do this though, and would still like to have a solution within current user profiles.
Thank you,
Benny