mraeryceos Posted September 8, 2010 Share Posted September 8, 2010 I've altered my windows xp system so that when an unknown file is doubleclicked, you DO NOT have the option to select "always use this program toopen this file type".However, if I add a key to Hkey Classes Root, and name it with the threeletter extension, then all of a sudden I DO have the option to select"always use this program for this file type".So what I want to do, is add a context menu item to Unknown Files (I'd callit "Associate"), that will:1. create the three letter extension key in HKCR2. then run the "open with" dialog for said extensionThis may explain the details, but doesn't say how to automate 1 & 2 abovehttp://windowsxp.mvps.org/alwaysopen.htm Link to comment Share on other sites More sharing options...
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