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Invalid -inconsistent- License Key --8 544 0- Solidworks 2020 ✦ Safe & Genuine

If you have tried all five solutions above and still see --8 544 0-, you are likely dealing with deeply corrupted Windows system files or a failing hard drive.

Perform an In-Place Windows Repair:

As a last resort: Contact your Value Added Reseller (VAR) or SolidWorks technical support. Provide them with your swact.log file (found in C:\ProgramData\SolidWorks\SolidWorks 2020\logs\). The exact error code --8 544 0- will allow their support team to push a remote registry fix or issue a brand new license file. If you have tried all five solutions above


If you are on a floating network license, the --8 544 0- error can appear on all clients if the server is misconfigured. As a last resort: Contact your Value Added


Often, the service simply needs to be refreshed to read the license file correctly. If you are on a floating network license,