What does the “overrun” message mean?
If [Overrun] appears in the code reader window, it’s a sign that some other program is running on your computer and taking up too much of the CPU. The KOB program assigns its highest priority to time-critical tasks, such as handling the key and sounder, and the lowest priority to the code reader. If the program doesn’t get its full share of the CPU, the code reader is the first to suffer. The program displays the “overrun” message as a warning that one or more characters have not been decoded. Determining which program is competing for the CPU can be tricky, because it won’t necessarily show up on the task bar at the bottom of your screen. By way of example, here’s what I did to solve a chronic performance problem I had with the KOB program on my computer. During one of its “overrun” episodes, I pressed Ctrl-Alt-Del to bring up the Windows Task Manager. Selecting the Processes tab and clicking on the CPU column header to sort the tasks by CPU usage showed that a process named AppSvc.ex
