Shortcut for "Network and Sharing Center"

And I found the answer. Try:

control.exe /name Microsoft.NetworkandSharingCenter

You can use ncpa.cpl command to open ( Control Panel\All Control Panel Items\Network Connections ) and start from there.

Alternate method:

Press (Windows)+R.

Paste explorer.exe shell:::{8E908FC9-BECC-40f6-915B-F4CA0E70D03D} or the command previously provided above.

After testing, create a shortcut using either one of those commands and assign it a hotkey sequence... use said hotkey to launch in the future. Check out %SystemRoot%\System32\netcenter.dll for viable shortcut icons...

While this, of course, doesn't fulfill your "use everywhere" requirement, you could create an installer batch script on a flash drive and bring that everywhere with you.

Realistically, the fastest method (for use with any Windows 7 system) might be to press or Ctrl+Esc, type "sharing", and, when "Network and Sharing Center" is highlighted, press Enter.