Ken Colburn is the founder of Data Doctors Computer Services and the host of KTAR's Computer Corner radio talk show. If you would like to submit a question for this column, send it to knxv@datadoctors.com.

To read Ken's previous computer tips, click on any of the tips to the right under Most Recent Topics or browse the Archived Topics. You can also Search the Data Doctor's Tips by entering a search term in the Search Box at the upper right corner of any ABC15.com web page.