If this fixes the issue, your corporate system administrator will need to add an explicit security exception for AutoCAD 2013 so you can turn UAC back on safely.
Running the application with elevated privileges can bypass UAC restrictions. Close AutoCAD 2013. Right-click the AutoCAD 2013 shortcut on your desktop. Select . 5. Exclude AutoCAD from Antivirus/Security Scanning Make Sure You Can Write To Current Directory Autocad 2013
If you want to change the current working directory, you can do so easily. If this fixes the issue, your corporate system