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Question by vongsawat · Mar 26, 2014 at 05:12 PM · licenseinstallation

UnityFree Licensing issue

On running Unity 4.3.4f1 and choosing to activate the free version, a License issue is detected: "There was a problem validating the license because the Operating System identification seems to have changed".

Deleting the .ulf file as per Known Issues #3 doesn't seem to help, nor does running it as the administrator, and uploading the 2kb file for manual activation returns the message: "Upload failed: License is missing client information"

After downloading an apparently corrupt installer 4 times, its starting to feel like just booting up Unity might be more trouble than its worth :(

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Answer by Lopez3D · May 16, 2016 at 02:57 PM

There was a problem validating the license because the Operating System identification seems to have changed.[SOLUCION]

Lo que se debe de hacer es ejecutar Unity como administrador y aparecera la ventana de activacion... Y listo....

What you should do is run Unity as an administrator and activation window will appear ... And presto ....

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