Visual Studio losing functions

I have been noticing, over the last few weeks, that my installation of VS2008 keeps losing items from menus. Eg: The "Advanced" sub menu from the "Edit" menu pull down is no longer there.开发者_如何转开发

I am not making any changes to the application, I'm not installation anything, ever, and I never mess about with the options dialogs.

This morning, after leaving my machine on over the weekend, I have come in to discover that Ctrl + K + D no longer works. This used to be on the afore-mentioned "Edit -> Advanced" menu, but still the key combo worked. Now, nothing.

What the hell is happening? More to the point- how do I fix/stop it?

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I am really not sure why that would be happening, but to fix it, try the list below in order from a command prompt (running VS in between each to see if it fixed the issue).

Please note that these will reset your settings, so be sure to save them first (Tools » Import and Export Settings...). devenv is present in \Program Files\Microsoft Visual Studio 9.0\Common7\IDE.

1. devenv /setup
2. devenv /resetsettings
3. devenv /resetuserdata

If all else fails, you could always try repairing your installation :\