Autocad closing when "desc" layer is froze

LD2006, running SurvCadd 2006 on XP Pro
Has anybody else had this happen...Freeze the layer "desc" and the drawing
and AutoCad/SurvCad goes away without any warning or errors. It has happened
twice to me now. Very odd.
Has anybody else had this happen...Freeze the layer "desc" and the drawing
and AutoCad/SurvCad goes away without any warning or errors. It has happened
twice to me now. Very odd.