I activated my license, but when I launch the plugin, it says the license is invalid. What should I do?

If the license activates successfully but immediately shows as invalid when you start the plugin, the problem is almost always caused by your firewall or antivirus software blocking internal WMI (Windows Management Instrumentation) requests.

Other possible reasons for license issues include:

  • Hardware changes: Upgrading or replacing key computer components can cause the license to become invalid.

  • Major Windows updates: Occasionally, a major OS update can affect system identifiers used for licensing.

How to fix it:
Make sure your firewall and antivirus settings allow local WMI requests inside your system. 3ds Max and the plugin must be able to access WMI services without restrictions.

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