Pidgin – Old Version of libpurple and "Unknown Protocol"
I fixed the Pidgin “Unknown Protocol” problem just five minutes after my previous post. I’m going to describe how I found the problem and how I fixed it. If you’re interested, keep reading. In the previous post, I mentioned that I would completely remove the Pidgin package, including its configuration files: # apt-get --purge remove pidgin I did that and then re-installed Pidgin, but unfortunately, it didn’t fix anything. Then I checked the About dialog (Help > About) and noticed it listed libpurple 2.5.4 under Pidgin 2.5.6. This had to be the source of the problem! I remembered that libpurple had been upgraded to 2.5.6, and Aptitude said so. So what could possibly be wrong? ...