The RAND function returns numbers from the interval [0,1), and if you need to generate numbers from another interval, you should use the following formula: =RAND() * (bâa) + a. This will return random numbers from the interval [a,b) - greater than or equal to a, and less than b.
At the time, 5.4 was made available as a beta release alongside the stable 5.3.4 release. Now that 5.4 has become the latest stable Unity release, it seems the company intends to keep the program going a beta version of Unity 5.5 is slated to debut in the near future. source.
Both the stable version of Chrome 4.1.249.1045 and the beta version 5.0.342.9 still hang up with the unresponsive pages message. After a man-day tracking down info on the virus and trying different fixes, and waiting for the full scan to complete, the system seems to be stable.