Here's a simple one line command that can be used inside a batch file. No problems with Win7 x64. echo msgbox"my important message",64,"Some Import Title"> a.vbs & cscript a.vbs //T:5 & del a.vbs Set your timeout by changing the //T:5 value Coding References: MsgBox: http://www.w3schools.com/vbscript/func_msgbox.asp CScript: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/cscript_overview.mspx?mfr=true