1. First, we also press the win+R shortcut on the win7 Ultimate computer keyboard to open the computer's running window, in the open running window, we enter regedit And click Enter, this will open the registry editor window of the win7 Ultimate computer.
2. In the open registry editor window, click on the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E965-E325-11CE-BFC1-08002BE10318} in the left menu, then we are Find the UpperFilters and LowerFilters options in the right window, then right click to delete. After the completion, let's restart our win7 Ultimate computer.
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