I tried to access my old profile, and now I can't open thunderbird at all.

I hate you.

I uninstalled and reinstalled, and imported my old files, but the new version won't download mail. I can see online that I have new messages, but thunderbird won't download them to my computer.

I hate you even more

I'm taking my computer to the shop, and sending you the bill.

And quit pretending there's such a thing as "support" for your products, because there isn't. Sending everyone to the forums is the same as saying, "sort it out yourselves, you're on your own." F u