Grey Startup Screen in Windows 10

I'm trying to get Unity 5.5 working in windows 10 and all i get is a grey startup screen. What do I need to do to fix this? Here is my log file:

Built from 'trunk' branch; Version is '5.5.0b3 (52385a4d4cc9) revision 5388378'; Using compiler version '160040219'
OS: 'Windows 10 (10.0.0) 64bit' Language: 'en' Physical Memory: 8142 MB
BatchMode: 0, IsHumanControllingUs: 1, StartBugReporterOnCrash: 1, Is64bit: 1, IsPro: 0
Initialize mono
Mono path[0] = 'C:/Program Files/Unity 5.5.0b3/Editor/Data/Managed'
Mono path[1] = 'C:/Program Files/Unity 5.5.0b3/Editor/Data/Mono/lib/mono/2.0'
Mono path[2] = 'C:/Program Files/Unity 5.5.0b3/Editor/Data/UnityScript'
Mono config path = 'C:/Program Files/Unity 5.5.0b3/Editor/Data/Mono/etc'
Using monoOptions --debugger-agent=transport=dt_socket,embedding=1,defer=y,address=0.0.0.0:56240
ListPackages failed, output:
Error parsing output of npm ls

(Filename: C:\buildslave\unity\build\Editor/Src/JavascriptPackageManager.cpp Line: 153)

InstallEditorPackages failed, output:
installJavascriptPackages failed

(Filename: C:\buildslave\unity\build\Runtime/Utilities/Argv.cpp Line: 171)

Error loading file:///C%3A%2FUsers%2FRob%2FAppData%2FRoaming%2FUnity%2FPackages%2Fnode_modules%2Funity-editor-home%2Fdist/index.html#/project/recent


(Filename: C:\buildslave\unity\build\Editor/Platform/Interface/NativeWebViewWindow.cpp Line: 51)

 

Hi.

A workaround exists: You just need to install Unity 5.4 and Unity 5.5 Beta will work.

Regards