Win7 system installer prompt error 0x800706d9 how to solve

  

1, click the start button, select “ control panel & rdquo;;

2, change the view mode to & ldquo; large icon & rdquo;, click & ldquo; Windows Firewall 

2, then click on the left side of "Open or close the Windows Firewall";

4, select "Home or work (dedicated) network location settings" And the public network location settings below “ enable Windows Firewall & rdquo;

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