This UserData.dll file is provided to resolve a configuration-path error that occurs if you are running an AutoCAD 2004-based product on a network that has roaming profiles enabled, and you log on to a second computer to run the product.
If roaming profiles are enabled on your network, your roaming profiles are located in your C:\Documents and Settings\<user login name>\Application Data\Autodesk\<AutoCAD 2004-based product> folder.
The problem occurs when you use an AutoCAD 2004-based product on one computer, log off of that computer, log on to a second computer, and then attempt to run the product on the second computer. An error message reports that your product is unable to find the CFG file, and the product does not run on the second computer.
The error message reads:
FATAL ERROR: Invalid Configuration path\filename: C:\Documents and Settings\<user login name>\Local Settings\Application Data\Autodesk\<AutoCAD 2004-based product>\<product release version>\enu\
If your network has roaming profiles enabled, the problem affects any of the following AutoCAD 2004-based products:
After you download this file, update the UserData.dll file on each computer that is affected by this error.
To update the UserData.dll file
The roaming profile data has now been updated, and you can run the product on a second computer.