"How often do you run Scan disk or a disk clean up program. How about the defrag program?"
Once a month if space permits. I have to move my music off the laptop now to get the defrag program to work right.
Also is there an advantage to going directly to the control panel and under internet options to delete cookies and files.
Yes, when I did tech support at the pharma company during the merger, the absolutly first thing we told the people is to delete the cookies and temp files. The cookies can accumilate fast if you do the 'surfing' like many of them did and I do and the temp files just take up space and are not used most of the time.