How to copy error message or anything from message box

If you get an error message, warning, status information in a message dialog like this:

How can you copy the error message and inform more expert people?

The answer is simple: Press Ctrl + C when the message box appears. Although you can't select the text with your mouse, just press Ctrl + C and you will get the title, message, and buttons copied to your clipboard.

Sample output:


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notped
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Windows cannot find 'notped'. Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search.
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OK   
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I have been using Windows XP since 2003 and this I just knew a month ago! What a shame.