Speed Up Browsing (Windows Explorer and IE)

Start/Run/Regedit
"HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\RemoteComputer\NameSpace"

In the left pane find: {D6277990-4C6A-11CF-8D87-00AA0060F5BF} Value and delete it.

you may need to restart or log out of Windows for the change to take effect.