637162 - Preferences Window doesn't properly close on Mac

Status: RESOLVED DUPLICATE of bug 636937

(Firefox :: Settings UI, defect)

Description

[Nathan LaPierre]

User-Agent:       Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b12) Gecko/20100101 Firefox/4.0b12
Build Identifier: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b12) Gecko/20100101 Firefox/4.0b12

The preferences window on Firefox 4 Beta 12 on Mac OS X doesn't close properly.

Reproducible: Always

Steps to Reproduce:
1. Open Preferences Window
2. Click OK or Cancel to close
Actual Results:  
Window doesn't close properly, leaves a grey square in the top left corner. Square always appears above all windows. The preferences window is gone from the Windows menu list. Must restart Firefox to remove square.

Expected Results:  
Preferences window should close.

Comment 1

[Nathan LaPierre]

Attachment: Screenshot of issue