Comment 21 for bug 524938

@Stephan Müller

Go to http://packages.ubuntu.com and use the search engine to find the packages libsoup-2.2, libsyncml0 and opensync-plugin-syncml and download them.

Install them in that order by double-clicking on them. Alternatively, if you have them all in one directory with no other debs present, it should be possible to cd to that directory in a terminal and issue the command: sudo dpkg -i *.deb (but I haven't tried it myself, so I can't be sure it will work).