Most are described below, but you may see a few strange files which are probably either due to an add-on or this article not being updated yet.However, if you see a directory name of places.sqlite-wal or places.sqlite-shm then you have a bug which causes severe performance problems.When you're done with the most popular, dig deeper and discover more: Have messages mysteriously disappeared from your Mozilla Thunderbird inbox? Here's how to have Mozilla Thunderbird rebuild a folder's index (or many in a bunch) and repair its display.More » Whether your friends prefer Facebook Chat or Google Talk (or either); whether your favored chat rooms are on IRC on XMPP (or both): you can set up Mozilla Thunderbird to connect to all these chat services and protocols (and Twitter, too).What other information can I give you to aid in error reproduction? $ host has address 22.214.171.124 has address 151.1 has address 126.96.36.199 has address 188.8.131.52 mail is handled by 10 alt3.aspmx.l. The "weekly nugget" that Darren posts each Monday is a handy little thing, so I subscribed to the thread's RSS feed. The funny thing is that I can add other long threads to my Google RSS reader and they have the newest messages, although in a strange order.