Thunderbird won't show headers

[David Vincent]

Jonathan Kaye wrote:
> David Vincent wrote:
> 
>> Hi Folks.
>>
>> Anyone else out there have this problem?  I've noticed after my upgrade
>> to Gutsy (and Thunderbird 2.0) that Thunderbird no longer shows headers
>> for any of my mail - either in the preview pane or in the message pane.
>>   Toggling them on/off does nothing and I've been unable to find
>> anything else in Google as of yet.
>>
>> Thanks in advance.
>>
>> -d
> Go to View -> Headers menu and click on All or Normal according to what you
> want. In the message pane you should see a blue rightward-pointing arrow to
> the left of Subject:
> Click on that arrow (which will then point downwards) and you'll see the
> headers.

Toggling them on and off does nothing.  Thanks for the suggestion but 
this has already been tried.

I don't even see From or Subject etc. in the preview pane or in an 
opened message window.

-d