To use University of Calgary web disk (based on WebDAV), one option is use a command line client such as cadaver.
Download cadaver
To install: x = version number
tar xvzf cadaver.x.tar.gz
cd cadaver.x
./configure –with-ssl
make && make install
Once it’s installed, access web disk via
cadaver https://webdisk.ucalgary.ca/~username_here
enter “?” to list available commands at cadaver prompt. It works just like a command [...]

A very informative blog post/thread about troubleshooting XP offline files issue
Source:
Jonathan Hardwick’s blog

To change the Remote Desktop or Terminal Services listening port,
you’ll need to edit the following Registry value:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\
TerminalServer\WinStations\RDP-Tcp\PortNumber
This registry value is the same for Windows NT 4.0 Terminal
Server Edition, Windows 2000, Windows XP, and Windows Server
2003 (see Microsoft Knowledge Base articles
http://support.microsoft.com/?id=187623 or
http://support.microsoft.com/?id=306759 for more information).
To access the value, run regedit and navigate to the [...]