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Analyzing the Cause of the Error

InstallShield 2015 » InstallScript Debugger

Without a good debugging tool, you would be forced to analyze the code at a potential error location in your script by “running” it in your head. You'd read each line in the suspect area carefully, following the logic and keeping track of the variables that came into play there. You would do that until you found the exact place where your script wandered off the path. Then you would do it again (and again) until you could explain exactly why it was behaving as it was. Because that is the objective of this debugging step: finding the exact cause of the error.

A software debugger is a tool designed specifically for this part of the debugging process. A debugger does not analyze your script for you, but it does make it easier for you to find the reason your setup is misbehaving. With the debugger, you can follow the flow of control by executing your script one statement at a time. And you can determine the value of any variable in your script at any point during script execution.