Hi Linda
I think windows vista is the problem, it periodically switches off the wireless network for some reason
Try these links
http://www.chapterzero.co.uk/articles/windows-vista-slow-network-issues.aspx
http://www.whizblaze.com/vista/
http://www.digitalspy.co.uk/forums/showthread.php?p=20615548
the last one is probably the one you want
PC Expert
May 2008