Extensively used IE9 Developer Tools and I just updated to IE11 "11.0.2" and the Developer Tools are garbage.
My Network and Profile Tabs are blank. Is there a "special" setting that I'm missing in order to enable them, or could there be a specific windows hot fix between the IE11 RTM and 11.0.2 that I may be missing?
I had the same problem (version 11.0.9600.17633) on WIN7
Only on one of 4 accounts. Reinstalling IE11, etc did not help.
With regedit, I renamed HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer to HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer Old
I logged off, then logged on again and started Internet Explorer. This recreated the key. The network tab and profiler tab are no longer blank. Internet Explorer settings have been lost however. I assume the settings and state of Internet Explorer are the same as just after creating a new account.