• Click Start, Run and type Command
• Type the following and then press Enter after typing each one:
  

  cdwindows
  regedit

• Navigate to and select the following key:

HKEY_CLASSES_ROOT exefile shell open command

• Double-click the (Default) value in the right pane
• Delete the current value data, and then type:

“%1″ %* [with quotes]

(ie., quote-percent-one-quote-space-percent-asterisk.)

• Navigate to:

HKEY_CLASSES_ROOT.exe

• In the right-pane, set (default) to exefile
• Exit the Registry Editor.