UltraVNC

After pushing the button "send ctrl+alt+del to host" there is a pause of 1 minute. Does anyone know the reason of this pause&

Hello everybody from Russia, Saint-Petersburg. I had such a problem on windows 2008 standart. A welcome window appeared where I entered a password. Then I saw "negotiation of protocol' til i push Cancel button. 1) I've opened port 5900 in firewall. 2)Then i entered to control pannel-administrative ...