autocad2007 crashes when pressing layers property manager icon

[borange08648]

even if typing in the commandline.  'unhandled access violatoin writing 0x9f43b4a exception at 9f43b4ch".   just started happening.  tried system restore, updating microsoft updates, restarting computer, opening files that worked before; nothings seems to cure it. 

[pendean · Accepted solution]

Google Search your issue and dozens of tips and fixes are presented: explore.
If Windows Restore back to a year it all worked doesn't solve it, you may have to remove all instances of .NET from your PC and reinstall AutOCAD2007: back up all of your customizations first.

Good luck.