Whilst nobody else is posting questions on errors - I'll tell you how to make them with nothing but Windows Xp and Notepad...
1. Open up notepad (Start>All Programs>Accessories>Notepad)
2. Copy and Paste the following code... x=msgbox("Your Message Here",16,"Your t'i'tle Here")
3. Replace the text Your Message Here with the text you want to appear in the error, and replace Your T'i'tle Here with the t'i'tle of your error message.
4. Go to File>Save as and replace "Text File" with "All file types" as the File Type and save it as anything.vbs
5. Open the .vbs file and the error appears!