Mac Pro won't connect to macbook through Airport

Ok so here's the deal. I have a Mac Pro, a Macbook, and an Air Port. I want to access the files on my Macbook with my Mac Pro through the wireless network. However, every time I click on the Macbook in order to connect to it it it says Connection Failed. Both computers are running on 10.5.7, both computers have file sharing turned on and the privileges set to read and write. I can connect to the Mac Pro with the Macbook but not the other way around for some reason.
Any suggestions?

I get this error sometimes. Can you click on "Connect As" right under the error, and then provide the name and password? This usually resolves the issue for me.

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Some of the following you may have already tried:
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============================
What to do when you can't connect to the Internet
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If using a Linksys router, contact LinkSys Customer Support and/or post in their forums.
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Hello All,
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Hello Rattisate,
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Hello Rattisate,
Sorry to hear you are not able to connect to Wi-Fi on your MacBook Pro. I would be concerned about this too. You can find information on how to troubleshoot this in the following article:
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Mac Pro won't connect to macbook through Airport

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