Fusion shows "Not Responding" message after launch

Solution:

System or hardware compatibility issue

• Check the System requirements for Autodesk Fusion.
• Check 3rd party devices section of: Autodesk Licensing Service: Known Conflicting Applications.
  • On a laptop unplug other external monitors, docking stations, and other hardware devices and then restart the software. 
  • On a desktop unplug other hardware devices and use only one monitor and then restart the software.
  • Software may work correctly if external hardware is attached after Fusion has been successfully launched. Driver or firmware issues may be causing the issue. Proceed to the section below titled: "Check installation, graphics drivers, firewall, ports, and domains" for next steps. 

Check for multiple instances of Fusion

1. If multiple Fusion windows are open, close all instances.
2. Unpin any saved shortcuts or dock icons. 
3. Start Fusion from the Windows Start menu or Mac Launchpad.
4. Pin the new active shortcut.

 

Repair Fusion using the Service Utility

1. Close Fusion if opened.
2. Open the Service Utility.
3. Use the Repair Fusion option.
4. Restart Fusion as Administrator.

Check installation, graphics drivers, firewall, ports, and domains 

1. Uninstall Fusion from the Service Utility.
2. Restart the system.
3. Check for the recommended latest graphics card drivers installed.
4. Check for any AntiVirus or Firewall restrictions.
   • If present, allow permissions for Fusion by following this article: Configuring anti-virus software for use with Fusion, or disable the firewall completely.
5. Check the Ports and Domains required by Fusion. 
6. Reinstall the open Fusion.

Troubleshoot network connectivity issues

• Restart the Internet router.
• Work through this article: Troubleshooting Network Connectivity Issues for Autodesk Fusion.
• Fusion Help | Ports and Domains required by Fusion | Autodesk
• Disconnect VPN or add Fusion to VPN safe list. 

Windows account issues

1. Create a Windows user performing the steps on the following Microsoft web page: Create a user account in Window.
2. Install Fusion on the new Account.
3. Start and test Fusion.

Manually Reinstall or Update Fusion

1. Open the Service Utility.
2. Use the Uninstall Fusion option.
3. Reinstall Fusion by downloading from your Autodesk Account or download the installation file using this link (the download process should start automatically).
4. Run downloaded Fusion Client Downloader.
5. Install Fusion.
6. Start Fusion. 

Note: This solution may be helpful when the automatic update is not possible.