No, they are not placebos. Placebos do not work with code, the code doesn't care whether you believe or not.
I can't vouch for the veracity of the cache clearing -- I did nothing of the sort. However, commenting that one line made it so that the software center started. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1163886 Title: software-center crashed with signal 5 with WebKit 2.0+ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1163886/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs