577940 - I get an error message:Components Classes[@mozilla.org/extensions/manager,1] not found

Status: VERIFIED INVALID

(Toolkit :: Add-ons Manager, defect)

Description

[Robert Giles]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; WOW64; en-US; rv:2.0b1) Gecko/20100630 AskTbARS/3.8.0.12304 Firefox/4.0b1
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; WOW64; en-US; rv:2.0b1) Gecko/20100630 AskTbARS/3.8.0.12304 Firefox/4.0b1

When I try to load Firefox 4.0.1 beta I get the above message.  When this happens. The Google search screen will not display. 

Reproducible: Always

Steps to Reproduce:
1.Click on the firefox icon
2.
3.
Actual Results:  
Click on the firefox 4.0.1 beta icon on the desktop.

Expected Results:  
When I click okay to the error message it displays a blank screen where the google search screen should appear.

The google search screen should have displayed.  The theme I was using was the walnut addon.

Comment 1

[Kevin Brosnan]

You have an extension installed that is incompatible with the Firefox 4 betas.
You should disable extensions until the problem goes away and then notify
the extension author so they can update the extension that is causing this problem.