oren 0 Posted May 26, 2011 What is the easiest option to make a program run only once... if ProcessExists ("X1") then exit endif Any other better thing??? Share this post Link to post Share on other sites
BrewManNH 1,306 Posted May 26, 2011 (edited) Look at _Singleton. EDIT: Simple example, try running this twice #include <Misc.au3> _Singleton("Put anything here") Global $GUI = GUICreate("Test", 200, 200) GUISetState() While 1 If GUIGetMsg() = -3 Then Exit WEnd Edited May 26, 2011 by BrewManNH If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag GudeHow to ask questions the smart way!I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays. - ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script. - Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label. - _FileGetProperty - Retrieve the properties of a file - SciTE Toolbar - A toolbar demo for use with the SciTE editor - GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI. - Latin Square password generator Share this post Link to post Share on other sites