Your network settings were changed by another program

I changed the settings on my DSL modem-router so that it signs me in and handles PPPoE, not the Mac. When I attempted to change the setting on my PowerBook Ti to DHCP, using the network part of system preferences, I got a dialog box saying "Your network settings were changed by another program". I could dismiss this window only by quitting immediately after trying to dismiss the dialog box. After a couple of tries system preferences would quit. I can however access the internet through AirPort and the same DSL modem-router. Does anyone know how I can change my ethernet setting to DHCP so that I can surf the web using ethernet?

To stop the pop-up, Go to System Preferences: Security. Check the box next to "Require password to unlock each secure system preference." Then lock Security.
Try this cure for Security update...
http://discussions.apple.com/thread.jspa?threadID=1730909&tstart=0
The locations are actually...
/Library/Preferences/SystemConfiguration/preferences.plist
/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
/Library/Preferences/SystemConfiguration/NetworkInterfaces.plist
/Library/Preferences/SystemConfiguration/com.apple.nat.plist

Similar Messages

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    Are you referring to a wireless router, such as an Airport Express? If so, and you bought a different router, you will need to set up the new router according to their instructions. With my Netgear, I had to go to their online website (they should have the URL listed in the instructions) and set it up there because the software that comes with routers is not compatible with Macs.
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    This recently happened to me. Go to System Prefs, Security. Click on Require Password to Unlock each secure system preference. That should do it. After you fix it, go in to security prefs again to uncheck it, or you will have to enter password each time you want to change any system prefs.

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    A Fix for "Your network preferences have been changed by another application" Error 
    In the Library/Preferences/SystemConfiguration/ folder delete the following:
    com.apple.airport.preferences.plist
    NetworkInterfaces.plist
    preferences.plist
    com.apple.nat.plist
    You will have to re-configure all your network settings since deleting.
    (10.4.10)
    Use Software Update to update your OS to last version of Tiger.  Install all the other updates that goes along w/it.

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  • Network settings high-jacked by another app

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    Thanks for the thread suggestions which worked well at removing the annoying/looping dialogue box. However, I still can't retake control of my ethernet connection.
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  • Network Setting being changed by another application?

    Hi,
    Out of nowhere, I started to get this problem whenever I try to modify the settings on my Network Preferences. A prompt would pop up with the text "Your network settings have been changed by another application." and all I can do is click OK. After the OK is clicked, the same prompt would immediately reappear. This is on a 1.67Ghz Powerbook running OSX 10.4.11.
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    http://farm4.static.flickr.com/3362/3644087430_e9b622a599.jpg?v=0
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    woohoo found the answer from the Networking forum!

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    Acer Aspire One 753
    iTunes 11.0.2.26
    QuickTime 7.7.3
    FairPlay 2.3.31
    Apple Application Support 2.3.3
    iPod Updater Library 10.0d2
    CD Driver 2.2.3.0
    CD Driver DLL 2.1.3.1
    Apple Mobile Device 6.1.0.13
    Apple Mobile Device Driver 1.64.0.0
    Bonjour 3.0.0.10 (333.10)
    Gracenote SDK 1.9.6.502
    Gracenote MusicID 1.9.6.115
    Gracenote Submit 1.9.6.143
    Gracenote DSP 1.9.6.45
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    The current local date and time is 2013-04-05 19:32:36.
    iTunes is not running in safe mode.
    WebKit accelerated compositing is enabled.
    HDCP is supported.
    Core Media is supported.
    Video Display Information
    Intel Corporation, Intel(R) HD Graphics
    **** External Plug-ins Information ****
    No external plug-ins installed.
    **** Network Connectivity Tests ****
    Network Adapter Information
    Adapter Name:     {E1CB97AA-CDFF-4C43-8F63-658D7E70A39F}
    Description:     Intel(R) Centrino(R) Advanced-N 6205
    IP Address:     172.16.42.14
    Subnet Mask:     255.255.255.0
    Default Gateway:     172.16.42.1
    DHCP Enabled:     Yes
    DHCP Server:     172.16.42.1
    Lease Obtained:     Fri Apr 05 19:01:59 2013
    Lease Expires:     Fri Apr 05 20:01:59 2013
    DNS Servers:     172.16.42.1
    Adapter Name:     {44D6CC7B-1F1E-4F26-BBB8-18F98A868E2B}
    Description:     Atheros AR8151 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
    IP Address:     0.0.0.0
    Subnet Mask:     0.0.0.0
    Default Gateway:     0.0.0.0
    DHCP Enabled:     Yes
    DHCP Server:
    Lease Obtained:     Thu Jan 01 11:00:00 1970
    Lease Expires:     Thu Jan 01 11:00:00 1970
    DNS Servers:
    Active Connection:     LAN Connection
    Connected:     Yes
    Online:          Yes
    Using Modem:     No
    Using LAN:     Yes
    Using Proxy:     No
    Firewall Information
    Windows Firewall is on.
    iTunes is enabled in Windows Firewall.
    Connection attempt to Apple web site was successful.
    Connection attempt to browsing iTunes Store was successful.
    Connection attempt to purchasing from iTunes Store was successful.
    Connection attempt to iPhone activation server was successful.
    Connection attempt to firmware update server was successful.
    Connection attempt to Gracenote server was successful.
    Last successful iTunes Store access was 2013-02-14 17:34:33.
    **** Device Connectivity Tests ****
    iPodService 11.0.2.26 is currently running.
    iTunesHelper 11.0.2.26 is currently running.
    Apple Mobile Device service 3.3.0.0 is currently running.
    Universal Serial Bus Controllers:
    Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host Controller - 3B34.  Device is working properly.
    Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host Controller - 3B3C.  Device is working properly.
    No FireWire (IEEE 1394) Host Controller found.
    Connected Device Information:
    Daniel Pugh's Ipod, iPod touch (4th generation) running firmware version 6.1.3
    Serial Number:     C3XDN3C5DCP7
    Most Recent Devices Not Currently Connected:
    iPhone 4S running firmware version 5.0.1
    Serial Number:     C38GKQWZDT9Y
    **** Device Sync Tests ****
    Sync tests completed successfully.
    Kindest Regards
    Daniel (Puggy858)

    Hi Diesel vdub,
    Did that and I tried again, download stops halfway through and comes up with same message I have already quoted. Wifi Signal is 5/5, network is working, just not letting me download via iTunes.

  • HT1768 itunes could not connect to itunes store.  The network connection timed out.  Make sure your network settings are correct and your network connection is active, then try again.

    I keep getting this error message when I try to log into Itunes, has anyone else seen this error?  If so how did you fix it?
    Itunes could not connect to itunes store.  The network connection timed out.  Make sure your network settings are correct and your network connection is active, and try again. 

    Have you disabled any firewall and security/antivirus programs?  This seems to have helped the vast majority of people who have posted the same problem in this forum.

  • There is a solution; set your network settings from scratch,

    If you are moving to the MBA from another mac computer, set your network settings up totally from scratch. If you have been having network wifi problems, did you migrate from another mac?
    If you look at the previous macs, all of them had networking primary interface as en0 = ethernet.
    On the MBA, alone of all macs, the primary network interface which is en0 is the wireless and therefore different from any mac you have used via wifi before.
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    If you have had wifi problems, reset your network preferences, not just your wifi settings themselves.
    As someone else posted in internet topic, migration could be your network problem. Reset all network and re "apply" settings if you are having wifi difficulties.
    Message was edited by: Rhyd

    I know this is late, but here's the only way I got around this issue without having to start all over with a blank iPhone.
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    I tried a lot of other things first before comming to this solution. I also jailbroke my iPhone and tried deleting the camera roll, deleting the iTunes sync information, deleting different preference files, resetting settings, etc. Nothing worked!
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    Everyone who reads this should recommend this by filling out this form: http://www.apple.com/feedback/

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    Everytime I try to access the itTunes Store, this is the message I receive:
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    I feel you pain i'm haveing the same problems here.
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