One possibility is that beyond 3, people tend to loose track of what they have done and one may load the wrong backup, causing serious affect to their ego and self esteem. ---who knows? Good question. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://freepctech.com/pcbuild.shtml