React OS Installation with Virtualbox

ReactOS® is a free, modern operating system based on the design of Windows® XP/2003. Written completely from scratch, it aims to follow the Windows-NT® architecture designed by Microsoft from the hardware level right through to the application level. This is not a Linux based system, and shares none of the unix architecture. 

Installed 

Explorer

Installing an Exe File 

Boot Splash

 Blue screen

Tried installing google talk on the React OS which though succeeded, failed to connect to the server and Firefox was also crashing. 

On React OS

ReactOS has been noted for its information on undocumented Windows APIs and more generally as an open-source drop-in replacement for Windows. The project aim, as cited from itself, is to allow users of Windows to completely renounce use of proprietary commercial software without having to switch to a different operating system, such as Linux. However, a lack of corporate backers and dedicated developers have limited its efforts to realize this.

http://en.wikipedia.org/wiki/ReactOS