Comment 9 for bug 370093

> What is the solution if you do not have access to another machine to take xulrunner?

Create a new file "/var/lib/dpkg/alternatives/xulrunner" with the following contents (exclude the ===):

===
auto
/usr/bin/xulrunner

/usr/bin/xulrunner-1.9
50

===

-Aaditya