Compile-time and run-time options.
Errors - what to do on errors.
Auto delay... - automatically insert small delays after some macro commands to increase macro reliability. The first setting is the initial autodelay for macros (for functions it is 0). Can be changed locally (spe). The second setting is applied only after opt waitcpu 1.
wait: default CPU threshold - this value is used with the wait command if CPU (processor) usage threshold is not specified. Also, it is used with the autodelay if opt waitcpu 1 is set. Default is 20 %.
web: default browser's window class - class name of your default web browser window. It is used with the web and htm, when window is not specified. Should be blank if your default web browser is Internet Explorer or non-IE-compatible browser. The drop-down list contains class names of currently open compatible windows.
mes: show message box inactive - don't activate message boxes (mes), unless the style string contains a.
Disable Windows "lock foreground window" feature - allow background applications to activate windows. Normally, should be unchecked. Try to check this if act, run or some other commands fail to activate window.