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when trying to downgrade to 10.4.9, I received an error message "You cannot install Mac OS X Update Combined (Intel) on this volume. This volume does not meet the requirements for this update"

At this time i'm running 10.4.10 and already installed all the updates. What can I do to circumvent this?
 
You should be fine. There is an option to "preserve user settings and files" which should help. In addition, it will "archive" your previous system files into a folder which you can use to ensure all your applications made it over. Afterwords you should delete this folder to free up space. As always, nothing is foolproof and good backup skills are key.
 
can't connect to the internet on windows

Have apple acknowledged this issue?

Hi, I have a related problem: I just got a new MacBook Pro with Windows Vista Ultimate installed on Bootcamp. I can't go online at all when I'm on Windows under "Connect to the Internet", while all is fine on OS X. First the internet client on Windows didn't recognize my 8-digit security password as it requires only 5- or 13-digit passwords. So I thought that was the problem and changed the password to 5 digits - but it still won't work: The messages I keep getting range from "There might be problems with your wireless router or network" to "This computer has limited or no connectivity" and "Windows can not resolve the problem". I tried everything I could think of, from having Windows repair the router's IP address to resetting my security settings etc. I have an old Airport base station - are you guys all running on Airport Extreme? Do you have any suggestions? Thanks.
 
Sorry, i need help and coul'nt get some as i posted at networks and nobody answered.I'm fresh with this and i lost, after more and more issues, my connection, so i'll check from time to time for a hint.I'll do the indications of Boxcar Edit and Snide (thanks much!) see how it works...Meanwhile this what is happenning:
I'm using a 10.4.11 macbook, 2G of ram, mostly connected and updated.My provider is using PPPoE wirelessly so i have to connect first the wireless network of my provider and then to establish the pppoe connection;at least the provider's instructions are this way...
Well, i've managed to connect checking the "connect using PPPoE" in the System Preferences/Network/location BUT now, every single time i try to reconnect, i get a conversation window saying "Internet Connect could not find a PPPoE server", and i have to click OK, then i have to open the System Preferences/Network, choose the location, unlock the System Preferences, re enter the password for pppoe(it works even if i just modify one letter, the last, for example, obviously i put the same letter again), click "Apply now", then click "Allow once" on the confirmation window that appears saying that "NetCfgTool wants permission to change access permissions of item "PPP password" in your keychain.Do you want to allow this?", i click Allow once, as is the only valid option, then another confirmation window appears for "Confirming acces to keychain" saying "pppd wants permission to use the "PPP password" item from your keychain.Do you want to allow this?"
Now i press "always allow" because the option is available and because if i press "allow once", by experience, it's not connecting!
Now, i go quickly at the Air Port sign in the top bar of the screen, click it and, from the drop down menu containing the wireless networks, i choose my provider's network and click the drop down option "connect".
Now the connection is made instantly. But after so much annoying clicks. It is crazy!
I don't know what to do, i did deleted all my locations, and make a single one new, for this provider(except automatic), but the same deal.
After reading some posts, i've tried to uncheck the "Save password" option in Network/System Preferences but it is NOT POSSIBLE , at least for me, as the very moment i uncheck this option, the password disappears, and the moment i start to write it again , the option is auto-checking and stays like this.
I've checked with System Profiler and i found out that the stored password showed by System Profiler is wrong completely: at Network/Locations the Authorization Password is 36 characters(wow!) in 5groups(serial-like).
Meanwhile the Authorization Name stays correct!
I've tried to connect with Internet Connect and no way, except it says "could not find a pppoe server..."
This is replicable 100%.
I've tried to lock my keychain, no use.
I've tried to use "assistant" and "diagnostic" , no succes!
I've deleted several times the PPP password from the keychain (using Keychain Access), the same result, every time i get disconnected,because of a restart, for example, i have to accomplish this routine, it's very, very annoying.
Can somebody give me some instructions?Tanks for help, i need it much!
And, nowadays (the post was some days ago) i can not connect at all! I cannnot see the wireless networks when i click the airport, only if i uncheck "Connect using PPPoE".If this is checked, the airport does not show any network!I can connect only to wireless networks directly, but not using PPPoE.
Please give some idea, help,
 
netgear hookup problems

I have a PowerBook G-4, OS 10.45.11, and was working well with netgear router. I had problems with internet connection and in attempting to fix something went wrong. The internet connection works fine when connected directly to dsl modem, but I cannot connect netgear router after many attempts. In system preferences I get the error message "your network settings have been changed by another application". Can anyone help. Thanks, Ron
 
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