no internet connection after mcafee uninstall

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  1. Posts : 4
    windows7 starter 32 bit
       #1

    no internet connection after mcafee uninstall


    HELP!
    just uninstalled mcafee using the macafee tool and find i cannot connect to internet,
    this is on my daughters acer aspire one.
    wireless connection is ok full signal and other devics connect ok with no problem.
    followed several tutorials and reset my internet connection but still nothing.
    when i select diagnose connections it tells me there is no problem.

    any help would be much appreciated.
      My Computer


  2. Posts : 6,305
    Windows 7 Ultimate x64
       #2

    Hi, welcome to the forums :)

    What browser do you use?

    If you use Internet Explorer then try the following...

    1, Open Control Panel -> Network and Internet -> Internet Options
    2, Click the Connections tab then click Lan Settings
    3, If 'Use a proxy server for your LAN' is selected then de-select it, click OK then OK

    Now try opening your browser and see if that's solved the issue.


    OS
      My Computer


  3. Posts : 752
    Windows
       #3

    If what Orbital Shark said here doesn't solve your issue follow the next steps:

    1) go to start, type "cmd" in the search bar (without quotes), right click it and "run as administrator".
    2) type this: "ipconfig /release" (w/o quotes) and press enter.
    3) now type: "ipconfig /flushdns" (w/o quotes) and press enter.
    4) now: "ipconfig /renew" and press enter.

    If that doesn't solve it, do the following

    1) type on the CMD window: "netsh winsock reset catalog" and press enter.
    2) after done, type: "netsh int ip reset reset.log" and press enter.

    Reboot and check if everything works!

    And of course, report back... please
      My Computer


  4. Posts : 4
    windows7 starter 32 bit
    Thread Starter
       #4

    thanks for the welcome!

    using ie8
    just tried the suggested but still the same.
      My Computer


  5. Posts : 4
    windows7 starter 32 bit
    Thread Starter
       #5

    hi,
    just to let you know problem solved, just uninstalled avast and bingo all working fine now, need to do some checking
    and find out whats going on.
    many thanks for your help.
      My Computer


  6. Posts : 6,305
    Windows 7 Ultimate x64
       #6

    You're welcome, keep us posted.

    In the meantime you may wish to install Microsoft Security Essentials. It works flawlessly with any Windows based machine
      My Computer


  7. Posts : 4
    windows7 starter 32 bit
    Thread Starter
       #7

    yes will take your advice and install security essentials.

    will try and work out why avast is playing up and let you know.

    once again thanks for your help.
      My Computer


  8. Posts : 1
    Windows 7 Enterprise 64, Windows 7 Home Premium 64, Windows XP SP3
       #8

    Bless You, Punkster! netsh cmds Fixed Network After McAfee Removal


    As with stevejbf, I lost all network connectivity after I removed McAfee products. I already run MS Security Essentials with no trouble, but my company periodically auto-installs McAfee products -- and they create BSOD's within minutes (yes -- even with Security Essentials and all other security software removed).

    My network loss occurred when I removed McAfee products from within an XP SP3 virtual machine running on a Windows 7 Enterprise host laptop (lots of variables created lots of fear that I'd never get this working, again!).

    I had known enough to run the ipconfig commands. I also tried the diagnostics and "repair" buttons and links available in IE and Windows networking dialogs, to no avail.
    When I finally tried the following final steps as advised by Punkster, my XP VM's network connections came back to life!:
    1) type on the CMD window: "netsh winsock reset catalog" and press enter.
    2) after done, type: "netsh int ip reset reset.log" and press enter.

    3) Reboot and check if everything works!

    What a relief! Now I have my weekend back!

    Thanks again, Punkster! :)
      My Computer


  9. Posts : 1
    windows 7 pro 64 bit
       #9

    Hi,
    I know that the post is very old, but it saved my weekend!
    Can some one please explain also what happened and what the two commands that we run did? Do you have some link to check to understand which was the problem and how we solve it?

    Thank you
      My Computer


  10. Posts : 31,250
    Windows 11 Pro x64 [Latest Release and Release Preview]
       #10

    McAfee is unfortunately in a lot of advanced users opinion seen as a badly written piece of software, ( I cleaned that up )

    In addition to less than stellar performance the fact that the software is written without following the rules set down for developing software by Microsoft and convention it is difficult to remove and tends to leave some system settings in the wrong state
    The NetSh command set is an old standard for low level control and setup of networks a full description is available here ... netsh - Wikipedia ... although it is not something that you will normally need to use it's still used in major networks as it can be scripted for use remotely and unattended
      My Computers


 
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