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Network and Sharing Center shows no network connection, but computer is connected

My Windows 7 Enterprise system shows no network connection, but the system is connected.  Also, Windows Firewall is defaulting to Public.  I'm getting "want to run script" messages in Internet Explorer 11. The system was fine last time I used it, and some Windows Updates went through in the meantime, so I figure the updates may be to blame.  Unfortunately, I cannot restore back to before the updates were applied.

Any suggestions will be much appreciated.
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Randy Downs
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Have you tried removing and adding back to domain?
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No. I've read a lot about this issue, but none of the solutions works for me. I'm about to reinstall Windows, which resolved the issue for someone online.  I've tried using an alternate user account, but the problem persists.  It seems to have occurred following a Windows Update, but I didn't have restore points dating far enough back.

Thanks for trying to help.
Do you have network discovery enabled and saved? If you can't save it then it is a malware issue--this is happening to a lot of people recently where network settings get messed up and the culprit is malware.
Yes, it is enabled, but my system is defaulting to Public settings where it is disabled. I ran updated Malwarebytes yesterday and it only found for minor items that it quarantined. Doesn't seem to be malware.
With Vista, 7, and 8, you want to use the Repair My Computer option in the boot menu to perform a System Restore.  The reason is that you will be then running a mini-windows which prevents malware or screw-ups from recreating themselves during the obligatory reboot.
Shut the PC down.  Turn it back on and, when the manufacturer's logo appears (Dell, HP, etc.), start hitting the F8 key like a madman.  Repair My Computer -> Language -> login with your username -> System Restore
go to registry editor and check the settings here
gpedit.msc

Computer Configuration | Windows Settings | Security Setting | Network List Manager Policies

This is a technet forum where it is discussed too
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cmmcginn
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The solution corrected my computer's issue.