Is it really Windows dialog or dialog from any "protective" software? Is there any other information what changes are made? Can you provide screenshot?
You can disable PSPad scripting (Program settings / Scripting integration). Maybe any your paranoid antivirus consider using Windows Scripting Host as "dangerous". -- <http://forum.pspad.com/read.php?2,67314,67319> PSPad freeware editor http://www.pspad.com
