Hijacked keyboard shortcut for url address bar

[ocdlee]

I have a problem that is not caught by MB: whenever I use keyboard shortcut "Control+Enter" to finish an URL address entry (for example, if I type in "zellow" at url address bar then "Control+Enter" should normally give me the complete ".com" url and get me to the zellow site), it would direct the Internet Explorer to a web page displaying "Window virus warning, contact emergency virus support now. 1-844-226-2344".  This web page cannot be closed, and it keeps making a beeping sound.  Suspecting this might be a scam, I rebooted my system, ran all the malware/anti-virus software I had and updated windows 7 with the latest updates.  Making sure my computer was clean, I repeated entering url address such as "zellow" followed by "Ctrl+Enter", and found that the problem persisted.  This time I used the Task manager to kill the process and restarted IE - this got rid of the annoying pop up and beeping virus warning.  But then I can no longer use Ctrl+Enter as keyboard shortcut to complete url address entry which is annoying.  How do I get rid of this problem of "Hijacked keyboard shortcut for url address bar"?

 

Thanks in advance to any help I can get.

[AdvancedSetup]

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