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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.

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You must be logged in as an administrator to be able to do these steps.  .  ”