here is the situation,

1) If I am on wlan, I can connect my pc which has Win7 Ultimate as an OS. My Kaspersky was on, no probs.

2) If I am on 3G, I cannot. I created an account on no-ip.com, downloaded its' client app, created a domain, added the domain on client, everything is ok for now. (if I go to my no-ip domain when I'm on pc, my modem login window welcomes me. But it can be because my pc is on same network with my modem.) So tried it with my n900 over 3G, rdesktop says, cannot connect. Tried my no-ip address on browser, it couldn't establish connection, waited, waited, waited....... Nothing. My modem is Airties RT205.

What is wrong?

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BTW, how to look around of my desktop? I see my desktop, but cant scroll, go left or right. Is there any combination to do it?