User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:2.0b6) Gecko/20100101 Firefox/4.0b6 Build Identifier: Mozilla/5.0 (Windows NT 6.1; rv:2.0b6) Gecko/20100101 Firefox/4.0b6 How to Disable Taskbar Thumbnail Preview? Its hart to find and activate last used TAB Reproducible: Always
You can already disable this yourself. Click the Firefox button, and go click options. Then, go to the tabs section and uncheck "Show tab previews in the windows taskbar" You can also just raise the window by pressing ctrl and clicking on the Firefox icon.