Fix Unity Errors - SOLUTION || Failed project template / Can't find Unity Package Manager (Windows

00:00 Introduction
00:23 Diagnostic Test 1 - Package Manager Error
00:57 Diagnostic Test 2 - Failed to Resolve Template Project Error
1:22 Three Solutions for Fixing Template Error
2:29 Reading Unity Log Files
3:45 Beginning of Solution for Package Manager Error
4:56 Making a Windows Virus & Threat Protection Exclusion
5:30 Changing Firewall Defender State


Install Unity - https://unity3d.com/get-unity/download/archive
If you have Unity Hub already, install the editor only.


How to access log files -

The Hub log file (info-log.json) can be found here (USED IN VIDEO):
Windows: C:\users\(yourusername)\AppData\Roaming\UnityHub\logs
Mac: ~/Library/Application Support/UnityHub/logs
Linux: ~/.config/UnityHub/logs

Editor.log can be found here:
Windows: C:\users\[yourusername]\AppData\Local\Unity\Editor\Editor.log
Mac: ~/Library/Logs/Unity/Editor.log
Linux: /.config/unity3d/Editor.log

Unity.Licensing.Client can be found here:
Window: C:\users\[yourusername]\AppData\Local\Unity\Unity.Licensing.Client.log
Mac: ~/Library/Logs/Unity/Unity.Licensing.Client.log
Linux: ~/.config/unity3d/Unity/Unity.Licensing.Client.log

Source - https://support.unity.com/hc/en-us/articles/360039118331-I-have-been-asked-to-provide-a-log-file-where-do-I-find-this-


This video is to help people troubleshoot the following errors in Unity:
- Could not find Unity Package Manager local server application at [file path]. Missing files could be a result of an antivirus action or a corrupt Unity installation.
- Failed to resolve project template: Failed to decompress [file path]


Guide for a similar error - “Could not establish a connection with Unity Package Manager” / "Could not establish a connection with the Unity Package Manager local server process”
https://support.unity.com/hc/en-us/articles/360044381032-I-cannot-open-Unity-and-I-am-stuck-with-a-message-saying-Could-not-establish-a-connection-with-Unity-Package-Manager-what-can-I-do-


I stitched this video based on information found in several different technical support forums. Hope this helps someone! I cried several times before I got this to work.