By following these steps, you should be able to resolve the inconsistent license error in SolidWorks 2020 and restore functionality. If you are still seeing this error, could you tell me: Are you using a ? Did this happen after a Windows update ? Are you using the 2020 SP0 or a later service pack?
1. Reactivate the SolidNetWork License Manager (For Commercial & Network Users)
If the software won't launch due to an "inconsistent" key, existing processes might be blocking it. Task Manager and go to the Locate any instances of solidworks_fs.x sldworksfs.exe Right-click these files and select 3. Clean the Licensing Files (Advanced) By following these steps, you should be able
If you are on Windows 10/11 Pro, Enterprise, or Education, Credential Guard can block the SW licensing driver.
Open the on the workstation.
"Invalid inconsistent license key. (Error code: 8 544 0)"
While error looks terrifying, it is usually a communication breakdown between your computer and the license server, not a corrupted installation. Here is why it happens and, more importantly, how to fix it in under ten minutes. Are you using the 2020 SP0 or a later service pack
This forcibly resets the entire FlexNet licensing service: