This hotfix fixes issues with lock symbols in project navigator in 2013 release.

Problem Description:
In AutoCAD Architecture 2013 product, Open Drawing file in Project Navigator window, lock symbol is not displayed.

Affect Products:
AutoCAD Architecture 2013 German
AutoCAD MEP 2013 German

Installation Instructions:
Note: You must have administrative privileges on your Microsoft¢ç Windows¢ç operating system to complete the installation process.
This installation requires you to extract the zip and copy the following file: 
AecProjectBaseRes.dll
Note: There are 2 hotfixes, one for 64 bit systems and one for 32 bit, select the correct file.

To Replace the above Files 
1.	Close all software applications. 
2.	Navigate to your product installation folder; for example C:\Program Files\Autodesk\AutoCAD 2013\de-DE. 
3.	If you have a 64 bit system - Double click 2013_DEU_PROJECT_NAVIGATOR_X64_hotfix.zip
4.	If you have a 32 bit system - Double click 2013_DEU_PROJECT_NAVIGATOR_X86_hotfix.zip
5.	Extract files to the folder specified in step 2. 

To uninstall this Hotfix 
Delete the new files that you downloaded to the product installation folder.