[k_semler]

You probably have limited user rights on the machine. More then likely, they have configured you for user priveledges only. (assuming your running WinXP). The only way to be able to install the program is to elevate your rights. One other thing that you could try is to extract the executable to a flash drive, and run it from there when you are at work. Do not set it to start automatically, and it will behave as a portable application.