>>>I have to setup one of the PCs on my home wireless network so I can have full administrator rights to it from my laptop. I have tried to set the C drive shared, which works somewhat, but there are some directories that are not accessible to me. How do I do this? When I log onto the PC as an administrator I have full rights, but sharing the drives of the PC does not seem to be enough for me to have full access when getting to it from the laptop. Thanks!
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>>What are the OS'es?
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>Both XP Professional.

Are you aware of the default administrative share on the c:?

For example, if my machine is named colem, I could access the c: with this URI: \\colem\c$. You should get a prompt an administrative account. See if that will work for you, as it seems like a standard way of doing what you need to do.