Definition:
A Portable Executable (PE_EXE) file is a program capable of running independently on any Windows 32-bit operating system (Windows 95, 98, NT, 2000, XP, and ME). Examples of PE_EXE files include calc.exe (the calculator program) and notepad.exe (Notepad). PE_EXE files do not have to have an EXE extension. A screensaver (.scr) is also considered a Portable Executable.
