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Click the Start button. Type “regedit” in the search box and press enter. Click “Yes” if prompted to confirm you are an administrator. Find this key In regedit: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced Go to the right side of the Advanced window, where the values can be seen. Find the value “Hidden. Right click it and change it to 1.
You must be logged in as an administrator to be able to do these steps.  .  ”