Comment 129 for bug 240242

When this problem (as described in #96) occurs on my system, I've the feeling that I recently opened a pop-up window.

Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.0.1) Gecko/2008072820 Firefox/3.0.1
AdblockPlus [de] 0.7.5.5
Clear Cache Button 0.7
Customize Google [de] 0.73
Delicious Bookmarks 2.0.72
DownThamAll! [de] 2.0.72
PasswordMaker 1.7.2
RefControl 0.8.11
Secure Login [de] 0.9.2.8
Ubuntu Firefox Modifications 0.5