Here is some commands
How to Re-install Internet Explorer
Go to Start/Run, and type :
rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 %windir%\inf\ie.inf
156 Useful Run Commands
http://www.fixmyxp.com/content/view/20/42/
Microsoft DOS and command prompt
http://www.computerhope.com/msdos.htm#02
Regsvr commands
regsvr32 urlmon.dll
regsvr32 softpub.dll
regsvr32 wintrust.dll
regsvr32 initpki.dll
regsvr32 Shdocvw.dll
regsvr32 Oleaut32.dll
regsvr32 Actxprxy.dll
regsvr32 Mshtml.dll
regsvr32 polstore.dll
regsvr32 Shell32.dll
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WK+e - starts the Windows Explorer
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WK+f - starts the Find in Files dialog
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WK+Ctrl+f - starts the Find a Computer on the Network dialog
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WK+M - minimizes all the windows to clear the desktop
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WK+Shift+M - restores all the minimized windows
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WK+r - starts the Run dialog
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WK+F1 - starts Windows Help
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WK+Pause - starts System Properties
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Shift + Home Highlights from current position to beginning of line.
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Shift + End Highlights from current position to end of line.
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Ctrl + Left arrow Moves one word to the left at a time.
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Ctrl + Right arrow Moves one word to the right at a time.
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