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  • 08-08-2013, 05:03 PM
    Director

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    >hai..friends
    >just you have follow the below steps
    >first of all go to control panel
    >now click on trouble shooter
    >now select the network trouble shooter
    >finally i think resolve your all network problem
    >i hope maximum your problem will be solve
    >all the best
  • 06-08-2013, 01:43 AM
    kenny70

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    To fix the error while browsing to the internet, take the following actions ;I. Start the Internet Explorer, click Tools, click Delete Browsing History, remove History, Cookies, Temporary Files, form data etc.ii. From the Manage Add-ons, disable Plug-ins and Extentions, iii. Download fresh Java from www.java.com, install to make the java up to date.Those measures will enable the browser to log into any website without issues.
  • 04-08-2013, 10:11 PM
    VELLY

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    Hello dear,

    1> remove the broadband modem from the system for a few minutes and reconnected it after some time..
    2> than check the signal strength if you get full signal of internet than try open the browser but if it is not open..
    3> so please install a new and supported version of any browser according to your system.
    4> after that change the extension setting of browser i am sure dear if you follow above steps your problem will be easily resolved..
    thanks..
  • 02-06-2013, 05:17 AM
    surender malik

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    Dear friends,The solution of the given problems:--*if your windows explorer is not compatible with Add-ons *then you change your browser setting.*Go to the task bar if you have a windows explorer in switch in mode or just go and open Windows explorer.*Then go to the settings.*There you will find extensions option.*There you have to click on every add on.*And then a option will arise delete or add.Thanks.
  • 01-06-2013, 11:56 AM
    jehoo

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    Hello friend ,
    you should configure the modem once again it has not been configured correctly ,
    next thing check the ports some might have got loose .
    Thank you!
  • 31-05-2013, 11:24 PM
    venki

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    hello friends..

    to solve the above said problem read the following steps


    ##go to control panel

    ##click on troubleshooter

    ##select network trouble shooter

    ##it will resolves all network problems

    these steps may solve your problem

    all the best
  • 31-05-2013, 10:15 PM
    sandeepchahal

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    dear friend,solution is simple:

    Wait several seconds,
    and then refresh Device Manager.
    If the device still appears, restart the computer.

    All the Best!!!
  • 25-05-2013, 04:27 PM
    james786

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    Hi,,

    You should check the Following ways

    >> Firstly You have to Basically check if your windows explorer is not compatible with Add-ons then you change your browser setting.

    >> Then after you should Go to the task bar if you have a windows explorer in switch in mode or just go and open Windows explorer.

    >> Now you want to go to the settings.

    >> And then you will find extensions option.

    >> Now you have to click on every add on.

    >> And then a option will arise delete or add.

    >> So you should select the delete option.

    >> And then Check whether it works for you or not.

    ><>That's it

    >> I hope this will usually

    ALL THE BEST
  • 24-05-2013, 02:22 PM
    mohit malik

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    hello dear..........
    If there is any fault in the network then check the basic steps.......

    1.check the utp cable connectivity to the system & your modem.
    2.check the server reply is exist or not.
    3.check the network adapter driver in the syste. is it installed or not?
    4.check the firewall is on or off.if it on then off it.

    thanks........
    5.check the ip address of the system,is it in range of network ip range?
  • 21-05-2013, 10:47 PM
    soumya@prince

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    Hi aspirant,

    Solutions:

    Basically if your windows explorer is not compatible with Add-ons then you change your browser setting.


    Go to the task bar if you have a windows explorer in switch in mode or just go and open Windows explorer.

    Then go to the settings.

    There you will find extensions option.

    There you have to click on every add on.

    And then a option will arise delete or add.

    You will select the delete option.

    Check whether it works for you or not.

    ALL THE BEST
  • 20-05-2013, 08:10 PM
    deependra rajput

    Re: Getting an Error Code “21”, while try to access internet on Windows 7 system

    If you're facing this issue with your Internet explorer 9 then use it once with No Add-on mode. Follow the process for each add-on and disable it one by one. Check the issue after disabling each add-on. Follow the procedure:

    > Click on start and navigate to All Programs
    > Go to Accessories and then System Tools
    > Now, click on Internet Explorer (No Add-ons)

    Otherwise check the another process that will isolate the browser add-on. Steps are:

    > Go to tools option and then click on Internet Options
    > Select Programs tab and click on manage add-ons
    > Now select add-on in list, and click Disable
    > Repeat the process for each add-on
  • 20-05-2013, 12:43 AM
    Unregistered

    Getting an Error Code “21”, while try to access internet on Windows 7 system

    Hello sir, now sir I have an issue with my Windows 7 system or it might be issue with my newly configured broadband internet connection. The problem that I am facing right now is related to internet connection is that when I launch one of the installed Web browser on my windows 7 system and try to access internet on it but when I type Website URL into Address bar and hit Enter key then opened browser puts an error message in front of me which says “Error 21 (net::ERR_NETWORK_CHANGED): A network change was detected”. Can you explain what the actual meaning of this code is? Please provide me best solution to fix this issue.

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