So little to the story that I can only offer ideas.
1. Your Norton or antivirus expired. I can't tell you why they do that!
2. http://forums.cnet.com/7723-12546_102-567817/limited-access-local-only-wireless-messages-with-vista/?messageId=5334651 (see the fixit?)
3. http://forums.cnet.com/7723-6122_102-567777/wired-wireless-internet-goes-out-while-playing-game-have-t/?tag=contentBody;threadListing (they appear to have never used canned air before)
4. Use System Restore to when it worked.
5. Be sure the date and time are set.
I have windows Vista. And up to a week ago I was able to connect to the interenet at work and home. Now it tells me the strenght no matter where i go is good but i have no connection. I can't figure out why and I need my laptop back. Can anybody help me?

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