Unity Beta 3 - Blank Project Launcher

I installed the beta, opened it up and was met with the Project Launcher as expected. It asked me to sign in, so I did. It wouldn’t log me in so I reopened it and now it goes to this everytime. It’ll show “Connecting”, the blue loading line and then this. I’ve tried reinstalling it but it still goes back to this.

Hello Gib, sorry to hear that. Could you provide me with the Editor log so we can try to isolate the problem?
you can have a look at Unity - Manual: Log files to locate the log files)

Gib, it seems that there is an issue that was discovered with beta 3 with projects name with quotes or double-quotes in the project path that cause a problem similar to the one you are experiencing. We made a fix for it in beta 4.
You can go in the registry in HKCU\Software\Unity Technologies\UnityEditor 5.x and check if in your RecentlyUsedProjectPaths-x (x is a number) if you have any projects with quotes to remove those entries.
Let me know if that helps.

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Ok, will do! Here are the editor logs…

LICENSE SYSTEM [2015417 16:26:35] Next license update check is after 2015-04-18T16:07:35

Built from '5.1/release' branch; Version is '5.1.0b3 (a70350bd372d) revision 10945360'; Using compiler version '160040219'
OS: 'Windows 7 Service Pack 1 (6.1.7601) 64bit' Language: 'en' Physical Memory: 8175 MB
BatchMode: 0, IsHumanControllingUs: 1, StartBugReporterOnCrash: 1, Is64bit: 1, IsPro: 1
Initialize mono
Mono path[0] = 'C:/Program Files/Unity 5.1.0b3/Editor/Data/Managed'
Mono path[1] = 'C:/Program Files/Unity 5.1.0b3/Editor/Data/Mono/lib/mono/2.0'
Mono path[2] = 'C:/Program Files/Unity 5.1.0b3/Editor/Data/UnityScript'
Mono config path = 'C:/Program Files/Unity 5.1.0b3/Editor/Data/Mono/etc'
Using monoOptions --debugger-agent=transport=dt_socket,embedding=1,defer=y
IsTimeToCheckForNewEditor: Update time 1429301856 current 1429305995
[CEF] Uncaught SyntaxError: Unexpected identifier in file:///C:/Program%20Files/Unity%205.1.0b3/Editor/Data/Resources/Home/src/app/js/unityApi.js at line 1
EditorUpdateCheck: Response {updateinterval: '3600'} updateurl =  interval = 3600

I removed all of the RecentlyUsedProjectPaths (backed them up first of course) and now I can open up the Project Launcher and the UI shows up. Not sure which project was creating the conflict but I’ll take a closer look.

Found it! I had created a project to test out Edy’s Vehicle Physics and named the folder the same way Unity Projects/Edy’s Vehicle Physics - 5. Thanks for your help!

No problem! Sorry for the trouble and thanks for the log. So it’s was caused by the “quote in path” bug. This issue will be solved in next beta.

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