Note: This hotfix is only for customers who have applied Update 1 for AutoCAD 2011 or AutoCAD LT 2011 and have not yet installed Update 1.1. If you have already applied Update 1.1, you do not need this hotfix. If you have not applied Update 1, you do not need this hotfix and you should download and install Update 1.1 for AutoCAD 2011 or AutoCAD LT 2011.
Users who have applied Update 1 for AutoCAD 2011 or AutoCAD LT 2011 and keep the Layer Manager open while using Plot, Render, Orbit, or Autosave may see AutoCAD become unstable when modifying any layer properties.
It is strongly recommended that you review the readme document before you apply this hotfix to your product.
AutoCAD LT 2011