Check out this thread.
You should be able to connect to the tracker but connection to international peers is another story..

µTorrent 1.6.1 Build 488 Stable
Changelog:

--- 2007-02-13: Version 1.6.1 (build 488)
- Feature: Select upload/download speed for a torrent through the rightclick menu
- Feature: Added encryption box to speed guide
- Change: Don't check as many pieces at the same time.
- Change: Misc WebUI changes.
- Change: Switch to JSON for webinterface
- Fix: Problem with category list in the gui when updated from the webui
- Fix: WebUI not clearing state between requests.
- Fix: Redirect also index.html to guest.html
- Fix: Added On Now shows the time it's added, not loaded.
- Fix: JSON uses " instead of '
- Fix: (a) Upnp fix
- Fix: Show pause icon when checking is paused.
- Fix: Fixed problems with XML parser
- Fix: Don't allow two message boxes to be shown in the RSS window
- Fix: Changed some window titles
- Fix: Fix malformed .torrent exploit
- Fix: Boss key field is now larger

you might wanna read about this first..
µTorrent and BitTorrent Join Forces

I think maybe you need to either reduce the number of connections or disable DHT..