When using thunderbird 2.x and migrating profiles from one computer to another, i bumped into a lightning + thunderbird error where the calendar sidebar was shown on the left side without a way to disable/hide this bar.

That problem is just way to irritating to ignore, as it would cause thunderbird to behave unexpectedly when browsing through email etc…This is clearly not normal behaviour and shouldn't happen.

More details

My google searches tell me this bug happens only when using Thunderbird 2.x and Lightning 0.8+ on an Ubuntu / Debian platform. Please tell me if you reported this problem on another environment.

The fix

First uninstall lightning and close down thunderbird

Then install the "libstdc++5 " package (it's in the official aptitude repositories ) so just :

[code]apt-getinstalllibstdc[/code]

Now reinstall lightning and fire up thunderbird (you can use synaptic to install lightning). That's it, a real easy fix for a simple problem.

Some more info :

http://ubuntuforums.org/showthread.php?t=624655 : a thread on ubuntu forums that suggests to uninstall thunderbird + lightning and tells you to go for ubuntuzilla , a pretty heavy workaround/fix if you ask me.Â