Prompt for network password

[Binoculars]

I have one computer networked to mine for the kids to use. Everything works OK (well, print sharing is pretty dodgy) but whenever I boot my computer it stalls at a screen asking me to "Enter network password for Microsoft network". I don't have a password and pressing Enter gets rid of it, but until you press Enter it goes no further. Vaguely annoying when you want to boot and go make a cup of coffee, expecting to be ready to go when you get back.. .. .How do I get rid of this prompt?

[bblank]

Try. .<a href="http://www.annoyances.org/exec/show/article04-103" target="_blank">http://www.annoyances.org/exec/show/article04-103</a>

[Binoculars]

Thanks, BB, excellent advice as usual!