id summary reporter owner description type status milestone component version severity resolution keywords cc 1797 Critical bug with WS_CHILD hunt "Compile this script with name GUI_PARENT.exe {{{ $h_GUI = GuiCreate(""GUIBUG"", 400, 400, 300, 300, -1, -1) While 1 Sleep(30) WEnd }}} After compiling run GUI_PARENT.exe and after this run this script: {{{ #include Local $hGUI = GUICreate(""1"", 100, 100, 300, 300, $WS_CHILD, -1, WinGetHandle(""GUIBUG"")) ; if to add here GuiDelete($hGUI) then bug not occured ProcessClose(""GUI_PARENT.exe"") Sleep(1) ; or other delay method Exit ; after this command CPU 100% }}} CPU loading will 100%. This bug appears if other exe this child window will close." Bug closed AutoIt 3.3.6.1 None Wont Fix