Computers running the Microsoft Windows operating system include an "Add or Remove Program" tool that you should be able to use to completely uninstall all Autodesk programs. If the program uninstall procedure failed due to a system crash, power outage or other interruption, you may need to manually delete Autodesk from your computer's registry to completely remove all software. The registry contains vital system and software information, so always make a backup copy of the registry before editing registry settings.
Press "Windows-R" on your computer keyboard to launch the "Run" dialog window. Type "regedit" in the "Open" input field in the window, and then click the "OK" button to open the Registry Editor. You must be signed in to the computer as a Windows administrator to change the registry. If prompted, enter your Windows password which is usually the same as the main user's login password on home computers.
Click the "File" tab in the main menu bar at the top of the Registry Editor window. Choose "Export" from the pull-down menu, and then select a computer save location for the registry backup file. Enter a name of the backup file in the applicable field, and then click the "Save" button to export the file to the folder you selected.
Click the "HKEY_CURRENT_USER" folder in the folder tree menu in the left sidebar of the Registry Editor window. Click to highlight and open "Software" followed by "Autodesk" in the expanded folder and file menu. Select "Edit" in the main menu, and then click "Delete" to delete the registry key for Autodesk.
Click the "HKEY_LOCAL_MACHINE" folder in the folder tree menu on the left, and then highlight and open "Software" followed by "Autodesk." Select "Edit" and then "Delete" to delete the Autodesk registry key.
Select "File" and then click "Exit" to close the registry and store your settings. Restart the computer to complete the procedure and remove all Autodesk software entries from the registry.
Before removing Autodesk registry entries, delete all Autodesk product software files manually from the "Program Files" directory on your computer's main drive.