How can I clean the Windows Registry to resolve Autodesk Error 1603?

Use the Microsoft Install and Uninstall troubleshooter tool. This tool can help remove corrupted registry keys or leftover installation files that might be causing conflicts. Be cautious when making changes to the Windows Registry, as incorrect modifications can cause system instability. Always back up your registry before making changes. Registry cleaner software should only be used as a last resort and with extreme caution.