Thunderbird won't "Compose" new or reply message

[Douglas Phillipson]

Douglas Phillipson wrote:
> On Wed, 2006-11-08 at 17:58 -0600, Chris Mohler wrote:
>> Well, you could try moving your ~/.mozilla/tb directory out of the way
>> and let TB make a new one.
>>
>> That way, you could at least rule it out.
>>
>> Chris
>> -- 

This problem (can't compose an email) seems to be related to the 
.mozilla/pluginreg.dat file.  When I remove it I can compose and reply 
to emails.  It has a lot of stuff in in it, how might I diagnose this 
problem?

Doug P