Ok, QA just reported they couldn't reproduce the issue on a machine with similar specs however they did note this:
Your Editor.log wrote:Waiting for login...
Exception: 0xC0000094, at Address: 0x001B:0x374955DB
Working Editor.log wrote:Waiting for login...
Unloading all previous plugins
Probably unrelated but can you please take a look inside your FreeSDK/Editor/Plugins/
folder and check if there's anything in there?
Also, does it actually let you type your username/password in or does it crash as soon as the window appears?