Resolve Win7 When opening a file prompts Windows not to open this file

1, first click "Start-run", in the Open Run dialog box input "regedit" into the Registry Editor;

2, then on the left side of the registry to expand positioning to "Hkey_local_machinesoftwaremicrosoftwindowscurrentversionpoliciessystem";

3, then the right side of the window of the right mouse click to select "New" →dword value, and named it "Nointernetopenwith";

4, after double-clicking the new "Nointernetopenwith" key value, in the Open Edit DWORD Value dialog box, in the Value data item, change the original 0 to 1 or other non 0 digits.

5, after the completion of the modification to determine the exit to close the registry, and then open the unknown format file will not be prompted Windows can not open this file, but will go directly to the Open dialog box, select the appropriate program to open the file.