How to Fix - Could not open Internet Explorer after updating to Windows 8.1?

Could not open Internet Explorer after updating to Windows 8.1

Original title : Windows 8.1 Troubles
 
A few days ago I downloaded the free 8.1 upgrade (from Windows 8).
But after it installed I could not open Internet Explorer.
I kept getting some error message.
I tried using the Windows program fixes but it said it could not fix it.
I ended up down loading
FireFox so I could look up an answer.
I saw something about maybe needing to update  either the browser or make sure I had the latest Windows updates.
But when I tried to check for Windows updates I kept getting "there was a malfunction while updating" messages.
So I ended up refreshing my computer to go back to Windows 8.
Any one have any ideas what went wrong? I would still like to upgrade but I don't want to have to do all this hassle over again.
 
Thanks

Anwsers to the Problem Could not open Internet Explorer after updating to Windows 8.1

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Machine Throttling

• Click the Start button.
• In the Search box, type "regedit" (without quotes) and press Enter.
• Look for the following registry key: "HKEY_LOCAL_MACHINE\SOFTWARE\ Microsoft\ SQMClient\Windows\DisabledSessions".
• On the right window pane, delete the subkey: "Machine Throttling".
• Reboot your computer.

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