Airport freezes computer and forces restart...

Until I installed leopard I NEVER had this problem and it is extremely frustrating. About once or twice a day, my internet will stop working (even though the modem is fine... only the mac shows it has stopped working). Once I click on the airport button, a gray screen comes up and the computer freezes. The gray screen says that the computer must be restarted. Once it's restarted everything is fine, but why is this happening? I am so disappointed with Leopard. Anyway to fix this or uninstall Leopard?

Here are a few other suggestions.
I believe you have the built-in Airport Extreme card (802.11abgn).
+NOTE: Trashing any Preferences files may/will cause you to reset some of your preferences. (Don't actually empty the Trash, you may need the files back again....oops!.....forgot about TM).+
If you haven't already, you need to trash the Airport Preferences and restart the Mac.
The file(s) is located here: +HD/Users/(Home Folder)/Library/Preferences/com.apple.airport.airportutility.plist+ (or very similar)
Disconnect your Mac from the internet (pull the plug), trash the com.apple.airport.airportutility.plist file (do not empty Trash), and restart your Mac immediately.
Click on the Airport icon in the menu bar....if it crashes, restart. If it doesn't, then plug in your internet connection and try to connect again.
If you have the Airport Utility app, (HD/Applications/Utilities/Airport Utility), then check for updates via the Airport Utility menu.
Or, unplug from internet, and from the Airport Utility preferences uncheck the "Check for Updates Weekly?" preference, trash the com.apple.airport.airportutility.plist file again, and restart. Plug in to internet and try connecting.
If there are any MSN Messenger preferences files:
+(HD/Users/(Home Folder)/Library/Preferences/com.microsoft.msnmessenger.plist+ (or similar), then trash them and restart.
Unplug from internet.
Hold down the Command key and click and drag the Airport icon in the menu bar to the desktop and let go. Poof! Now you don't have to worry about the internet anymore......Ha!....just kidding. Go to: +HD/System/Library/Core Services/Menu Extras/AirPort.menu+ and double-click the AirPort.menu file and it should appear in the main menu bar again. But before you add it back to the menu bar restart the Mac.
This last suggestion involves re-seating your Airport card in its plug but because you are still under warranty, you should take it to an Apple Repair center and let them do it. I don't know if this is a problem, the Kernel Panic that you are getting could be hardware related, but as a last resort I would have no problem doing it.....even under warranty......but thats me.
Post back.
pw

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See http://kb.mozillazine.org/Software_Update (Software Update not working properly)
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*Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
*Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer. Do not remove personal data when uninstalling.
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You can skip the step to create a new profile, that is not necessary for this issue.
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I don't have other release installed.

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ERROR MASSAGE-"The update could not be installed.Plase make sure there are no other copies of firefox running on your computer,and then restart firefox to try again".

<blockquote>Locking duplicate thread.<br>
Please continue here: [[/questions/870411]]</blockquote>
"The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again"this kind of error massage i found but there are no other copies of Firefox running on my computer.So please solve my prob.I can not uninstall this because i have saved important bookmark on my system.When i start my Firefox that time browser is opening few times later may be it's my internet slow connection but everyone has slow connection internet they are not having this prob then why should i have this prob.Why it is taking little bit time to open?

Thanks for the info about Trojan. It may be the problem. Meanwhile I went to Admin/Owner side and did some cleaning -- including trying to reload my Favorite/Bookmarks that have always carried forth from previous levels of Windows XP and earlier.
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About those add-ons... I have no idea, but think I got everything up to date yesterday. I will look at your earlier reply tomorrow or this weekend when I have more time at home to learn from it.
Thank you for your time in helping.
Late here, heading to sleep. Marilyn

ERROR MASSAGE- "The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again".

"The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again"this kind of error massage i found but there are no other copies of Firefox running on my computer.So please solve my prob.I can not uninstall this because i have saved important bookmark on my system.When i start my Firefox that time browser is opening few times later may be it's my internet slow connection but everyone has slow connection internet they are not having this prob then why should i have this prob.Why it is taking little bit time to open?after that update prob when i installed the update file.

Firefox [[Safe mode]] is a diagnostic mode that allows troubleshooting.<br />
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* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data when uninstalling.
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Thanks for the info about Trojan. It may be the problem. Meanwhile I went to Admin/Owner side and did some cleaning -- including trying to reload my Favorite/Bookmarks that have always carried forth from previous levels of Windows XP and earlier.
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Thank you for your time in helping.
Late here, heading to sleep. Marilyn

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Message was edited by: Ernie Stamper

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Airport freezes computer and forces restart...

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