If you have problems to view virtual tours, it can come from two different problems:

1 / You need the driver to view.
In this case you can simply click here and download JAVA depending on your operating system.

2 / You have a firewall type Norton Internet Security.
In this case you should configure your firewall to accept Java applets. Or you can disconnect your firewall to view the virtual tour, and after viewing, you can replace your protection