If the background service hangs or fails to start automatically, you must restart it manually. Press Windows Key + R to open the Run dialog box. Type services.msc and press . Scroll down to find Autodesk Desktop Licensing Service . Right-click the service and select Properties . Set the Startup type to Automatic .
Download a fresh copy of the from the official Autodesk knowledge network.
If the app isn't working, download the latest version directly from the Autodesk Account portal or the official licensing service download page 2. Restart the Licensing Service Sometimes the service simply fails to start or "hangs". services.msc , and hit Enter. Autodesk Desktop Licensing Service Right-click it and select . If it’s not running, select Right-click, go to Properties , and ensure the Startup type 3. Reinstall the Licensing Component 20 generic license checkout error autocad
If you use a network license, error 20 often masks a simple connectivity issue. The client machine looks for the server @SERVERNAME . If DNS resolution fails, or if the FlexNet service on the server crashed, the client gets a "generic" timeout translated into error 20.
Navigate to: C:\Program Files (x86)\Common Files\Autodesk Shared\AdskLicensing\ . Right-click uninstall.exe and select . Wait for the uninstallation process to finish completely. If the background service hangs or fails to
The most effective fix is a clean reinstall of the licensing component: 0;59b;0;413;
Editing the registry incorrectly can damage your system. Back up the registry before making changes. Scroll down to find Autodesk Desktop Licensing Service
: Files within the core installation path become unreadable or broken during automated system updates.
If the licensing mechanism itself is corrupted, a clean reinstall of that specific component is required.
Here are a few solutions to try, starting with the most effective ones.
For certain versions (e.g., AutoCAD 2020), you may need to also delete and reinstall the older certificate manager. Navigate again to the AdskLicensing folder, run uninstall.exe , then immediately restart your PC before installing the latest version.