networking crash in 0.3.0 RC2

I was very excited testing RC2, so I installed it in VMWare.
I could download Firefox perfectly and install it without any crash, but when I started Package Manager and started downloading TuxPaint, ReactOS crashed with some tcpip.sys errors. I can't give any debug log because at first its a release, not a debug version and second, Freeloader doesn't give any choice, it loads ReactOS directly. Isn't there any hotkey (like F8 on Windows) to show the menu ? I know you can set the timeout in freeldr.ini higher, but it would be easier to have a hotkey or something like that.