2020 - Invalid -inconsistent- License Key --8 544 0- Solidworks

The SOLIDWORKS licensing error (-8, 544, 0) typically indicates that the licensing information on the server is outdated or inconsistent with the client computer's request

The License Manager must always be the same version or newer than the SOLIDWORKS software installed on client machines. The SOLIDWORKS licensing error (-8, 544, 0) typically

1) Identify your licensing type

• Standalone/individual activation — you enter a SOLIDWORKS serial number and activate online.
• Network license (SNL / SolidNetwork License Manager using FLEXnet) — clients get licenses from a license server. Proceed with the relevant section below.

• Press Win + R, type %appdata%, and press Enter.
• Navigate to: C:\Users\[YourUsername]\AppData\Roaming\SOLIDWORKS\
• Find the folder named SW_License_State or SOLIDWORKS_2020_License_State.
• Delete this entire folder. (Don’t worry; SOLIDWORKS will rebuild it.)