Use try…finally to Execute Code when PowerShell Closes

If you must run some code before PowerShell should exit, you could simply use a try…finally clause like this:

try {
    # some code
    Start-Sleep -Seconds 20
} finally {
    # this gets executed even if the code in the try block throws an exception
    [Console]::Beep(4000,1000)
}

This one simulates a long-running script. Even if you close the PowerShell window: the code inside the finally block will be executed before PowerShell ends.

Of course this requires that the script is actually running.

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