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Question by uhhhhhhhhhhh · Aug 13, 2021 at 10:02 AM · unityeditor

Editor application Install failed: Validation failed

Someone please help, I've been stuck since forever just trying to update.


I HAD TRIED:

1) running unity hub as admin

2) disabling firewalls & antivirus


MY SPECS:

OS: windows 10 version 21H1

RAM: 8 gb

HDD: (23.0 GB free) of 232 GB

CPU: Intel(R) Celeron(R) J4105 CPU @ 1.50GHz

GPU: Intel(R) UHD Graphics 600


I currently use:

Unity Editor version 2019.4.2f1

Unity Hub 3.0.0-beta.2


My internet speed is fine.

If this can't be fixed, is there a manual way I could install the latest unit editor without using the hub? like through zipped folders or something?


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Answer by ahstein · Aug 23, 2021 at 11:09 PM

Check out the Unity Archive: https://unity3d.com/get-unity/download/archive

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Answer by dfernengel · Nov 09, 2021 at 08:31 PM

I had the same error "Install failed: Validation failed" when trying to install the Editor via Unity Hub as a non-Admin user on MacOS (iMac 5k end 2015, Big Sur 11.6.1). I re-tried as an Admin user and it perfectly worked. Filed a bug report. Maybe this applies to Windows as well(?)

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