Problem: • The EXE file opens in Notepad. • The EXE file opens in Notepad. • EXE file opens in some other installed programs. • Windows displays " Open With " dialog box to choose the program. • Windows shows error message, "Windows cannot find .exe file. Make sure you typed the name correctly". Solution: A. Download registrey script and then run (double click). It'll ask for confirmation, accept it. It should solve the problem. Download Registry Script B. If the "solution A" fails, try creating another User Account . solution source: http://www.askvg.com/solution-exe-files-always-open-with-notepad-or-other-applications/