I have a really urgent problem:
When trying to send mail (regardless from what account) i get the errormessage: "Sending of message failed. Error writing temporary file." I do have enough diskspace, none of the folders is writeprotected.
The problem occured for the first time today, and there is no event that comes to mind that could have caused this. I did not change any options in thunderbird.
Version is: 18.104.22.168 (20081209), running from usb-drive
Who can help?