Generally not. That is because network administrators in most organizations disable all outside network access except for corporate e-mail and web browsing through designated proxy server. Anonymization services require special network access (SOCKS protocol on port 1080) in order to work properly. Also, many enterprises discourage usage of such tools, so please don´t violate their policies.
Anonymous Surfing is Too Slow To increase overall performance and speed of IP address selection, try to adjust Network Timeout parameter (see Options, Advanced tab). Default value is 5000, try setting...