: If updates aren't appearing correctly, you can also delete the metadata assets folder found at C:\ProgramData\Autodesk\ODIS\metadata\Assets Reinstall ODIS : Download the latest version of the AdODIS-installer.exe Autodesk Support Page and run it to restore functionality. Are you currently facing a specific error message or is this folder just taking up too much space on your drive? Does AutoCAD create a temporary back up file pkg.odis.tar?