User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:18.104.22.168) Gecko/20100914 Firefox/3.6.10 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:22.214.171.124) Gecko/20100914 Firefox/3.6.10 Using Firefox on Win7(64) for a while, the taskbar-con-prewiew shows sometimes much more previews than open tabs. It looks like the preview-funktion is not refreshening properly Reproducible: Always Steps to Reproduce: 1.use Firefox with many changing tabs (websites) 2.close sites, open new ones 3.check taskbar preview against open tabs
Summary: taskbar shows recent (closed) tabs → taskbar previews show recently closed tabs
Are there any error messages or specific reliable steps to reproduce? I have seen this on occasion but have not managed to reliably reproduce it.
no error messages, just using latest version on a computer specified: Firefox on Win7(64) f.e. opening links from thunderbird-mailas opening favorits ....
I don't know how to reproduce this issue, but my browser is currently in this state where I'm seeing previews of closed tabs. However, now I *cannot* close any tabs by clicking on their X buttons, or using Ctrl+W, or even middle clicking on them in the preview pane. Creating new tabs with Ctrl+T works, but I can't close them either. These two issues may be related since the latter has only happened after the former (Firefox 4 Beta 6 from rev 633e895d5e84).
Created attachment 487256 [details] Console Errors Here's what shows up on my error console when my browser is in this state.
This looks a lot like bug 545077.
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