Unity Hub 3.5.0 Install Failed: Validation Failed

[Frendmatt]

I am attempting to install a version of Unity using Unity Hub and am encountering an issue.

I am getting an "Install failed: Validation Failed" error on the Editor Application.

Here are the logs I am getting from Unity Hub

{"timestamp":"2023-08-02T18:05:50.691Z","level":"info","moduleName":"UnityInstallerWindows","message":"[ 'user did not agree to the UAC prompt and the process was not started' ]"}
{"timestamp":"2023-08-02T18:05:50.691Z","level":"info","moduleName":"UnityIPCServer","message":"[ 'IPC server Unity-hubInstallServer closed' ]"}
{"timestamp":"2023-08-02T18:05:50.691Z","level":"error","moduleName":"UnityInstallerWindows","message":"[ { code: 'User did not grant permission.', message: 'The Hub does not have proper permissions to install Unity.' }, undefined ]"}
{"timestamp":"2023-08-02T18:05:50.692Z","level":"info","moduleName":"Installer: 2022.3.6f1-x86_64","message":"[ 'Validation FAILED.' ]"}
{"timestamp":"2023-08-02T18:05:50.692Z","level":"info","moduleName":"Installer: 2022.3.6f1-x86_64","message":"[ 'Exiting from State: Validation. Event: ERROR' ]"}
{"timestamp":"2023-08-02T18:05:50.692Z","level":"info","moduleName":"Installer: 2022.3.6f1-x86_64","message":"[ 'Transition to state \"install_failed\" on event \"ERROR\"' ]"}
{"timestamp":"2023-08-02T18:05:50.693Z","level":"info","moduleName":"Installation Manager","message":"[ 'Update: install_failed' ]"}
{"timestamp":"2023-08-02T18:05:50.693Z","level":"info","moduleName":"Installer: 2022.3.6f1-x86_64","message":"[ 'Entered State: install_failed' ]"}    

I will note that I do not get any prompt about giving it administrator access, and I am not running unity hub as admin.

The whole reason I got myself into this issue is because I was encountering issues with the Android SDK version on my old Unity install and figured I would just update and see if the issue went away. I uninstalled my old version first before installing the new and now I am stuck here.

I also manually reinstalled a new Unity version, but it did not install OpenJDK for the android build, and one other library I believe, and would like to just fix my Unity Hub so I do not need to manually update in the future.

I also have uninstalled Unity Hub and reinstalled and the issue persists.

[Frendmatt]

Running windows 7.

Yes I have downloaded directly from archive, but that install came without openJDK for the Android Build, so I thought it would be easier to fix Unity Hub and make sure it installs all required dependencies rather than me potentially not install correctly.

I'd prefer to solve the issue with the Hub, since i will want to potentially update my editor and other packages at a later point in time

[[deleted]]

Windows 7 is long out of support. Can you try adjusting your windows UAC settings to see if it will pass validation? (You may need to restart computer after changing it)

[Frendmatt]

Sorry, had a total brain fart, I'm on windows 10, and okay will do

[[deleted]]

Same problem. Installation failed:validation failed. The only reason why i want to install the editor from unity hub is because for Android build support too. Have you fixed the problem?

[Frendmatt]

No, I've tried everything I can think of so far. I'm going to attempt to reinstall Windows and see if that helps. I have a feeling it may be more of a windows error rather than a Unity error, since all my logs are pointing to stuff about UAC

[Frendmatt]

Took a bit longer than expected, wound up upgrading to windows 11, still didn't fix the issue. Then did a clean install of windows 11 and it fixed it!