Search not working

[GoogleCodeExporter]

What steps will reproduce the problem?
1.
2. enter any search (e.g. from:tom)
3.

What is the expected output? What do you see instead?

No search occurs.  A popup occurs with "please type keywords to search"
(thunderbirds Quicksearch still works fine)

What version of the product are you using? On what operating system?

MacOS 10.7.5, Thunderbird 17.0.5

Please provide any additional information below.

I've tried multiple settings none of which I could get to work. 
In the error consolse it shows
Timestamp: 5/5/13 9:07:05 PM
Warning: XUL box for _moz_generated_content_before element contained an inline 
#text child, forcing all its children to be wrapped in a block.
Source File: chrome://messenger/content/messenger.xul
Line: 0

Original issue reported on code.google.com by [email protected] on 6 May 2013 at 3:10

[GoogleCodeExporter]

Please see if any other error messages in the error console.
If you can disable all other extensions, that would be better.
Thanks.

Original comment by [email protected] on 7 May 2013 at 3:34

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