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I am using Internet Explorer 8, not by choice. I need to debug a script in it. However, no matter how many times I click the Developer Tools Icon, under Tools or click F12 it will not show up. Sometimes, I can see that it is minimized in the taskbar but when I actually go to click it. It will not show up...
Does anyone know how to get it to work or what the problem is? I tried updating restarting killing all the processes with no luck.
In my case, Developer Tools was disabled entirely in the registry.
The "Disabled" key in "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\IEDevTools" was set to 1. I had to change it to 0.
After deselecting the
Internet Exploreroption from Windows'Add/Remove Windows Componentsdialogue, I cannot open the tools (although the browser was not removed at all). Re-adding that component has no effect.Re-installing Windows XP in VirtualBox seems to be the most reliable solution.
Windows 7: as stated in other answers, the F12 window (or any window) can hide. Unfortunately, sometimes it does not show anywhere, including the taskbar. I've found right clicking on the taskbar and selecting "Cascade Windows" always brings it back into view.
Make sure the Developer Tools is running. Launch the Windows Task Manager. Under 'Applications' right-click on 'Developer Tools', select 'Maximize'. Presto!
Problem solved with little perspiration.
I had the same problem on a brand new Win7 installation - it occurred after having used the debugger without problems for some time, probably also due to temporarily working with dual monitors.
Check the registry key "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\IEDevTools" and remove the "WindowsPos", and "Pinned" keys.
some how I have the same problem and for me it appeared that the developer window was minimized at its maximum (don't ask me how this occurred), however this can easily be solved in window 7 by hovering over icon on windows task bar (on the preview popup) showed by windows 7 menu bar, yhen right click it and the press maximize.
This solved my issue.
Hurray for FF!