Win 7 64 bit : Randomly unable to access websites

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  1. Posts : 123
    win 7 64 bit
       #1

    Win 7 64 bit : Randomly unable to access websites


    I have been experiencing this problem for a long time, with multiple computers and different installations of windows.

    After my computer has been on for a few days, i will suddenly find myself unable to access any web pages. Programs like MIRC, skype and steam function perfectly, as do online games. I just get a generic "cannot connect to server" error when attempting to access websites and i cannot ping any websites such as google.com (it instantly timeouts).

    Doing ipconfig /release, /flushdns and /renew fixes it for a few minutes before i lose the ability to access websites again.

    Disabling/renewing the network adapter does nothing and windows troubleshooter can find nothing wrong.

    The only semi-permanent solution i have found is to restart my computer, but the problem will occur again in a few days.

    Using openDNS servers makes no difference. Neither does switching between ethernet cable and wireless. This problem is not browser dependant. Restarting the router only fixes it for a few minutes before i becoe unable to use access websites again.

    Does anyone know what is causing the problem and how to fix it permanently?
      My Computer


  2. Posts : 123
    win 7 64 bit
    Thread Starter
       #2

    bump.
      My Computer


  3. Posts : 5,915
    Windows 10 Pro X64
       #3

    I would contact your ISP, sounds like that might be where the problem is.
      My Computer


  4. Posts : 123
    win 7 64 bit
    Thread Starter
       #4

    I doubt that, considering that this has happened with multiple ISPs and the problem goes away the moment i restart my computer.
      My Computer


  5. Posts : 8,870
    Windows 7 Ult, Windows 8.1 Pro,
       #5

    You didn't mention which router you are using but as you described this problem the router seems to be the culprit here.

    You might try updating the firmware on the router or using a different one.

    Windows has no such problems with DNS, random connection problems like this can be difficult to track down.
      My Computer


  6. Posts : 123
    win 7 64 bit
    Thread Starter
       #6

    Ive had this happen with three different routers and a cable setup that didnt have a router at all.

    Im currently using a TD-W8960N with the latest firmware.
      My Computer


  7. Posts : 10,485
    W7 Pro SP1 64bit
       #7

    Question2 said:
    I have been experiencing this problem for a long time, with multiple computers and different installations of windows....
    ...multiple computers
    ...multiple routers
    ...multiple ISPs

    You might be the only common denominator

    For example:
    I was having an issue with Microsoft Security Essentials not updating on several computer. I spent many hours letting MS techs remotely control one of those computers and they never could not figure out why. It turns out that MSE had to have a temp folder under the Windows directory. I'm in the habit of redirecting that folder via the environment variables. MSE ignores those variables for part of the update process and silently fails if the temp folder is not found.

    For your situation:
    I would suggest testing with a different operating system. Run Linux Mint or Ubuntu for a few days. You can run those from a CD/DVD; no need to install it. If you don't want to go that route, then try running with a clean boot on one of your computers for a while. Maybe there is some app that you always install that causes this issue.
      My Computer


  8. Posts : 123
    win 7 64 bit
    Thread Starter
       #8

    Im not sure if this helps, but i noticed that i keep getting event id 1014 in event viewer. For example :

    Name resolution for the name isatap.wifi.unsw.edu.au timed out after none of the configured DNS servers responded.
      My Computer


  9. Posts : 123
    win 7 64 bit
    Thread Starter
       #9

    Anyone can help?
      My Computer


  10. Posts : 10,485
    W7 Pro SP1 64bit
       #10

    What was the result of using a clean boot mentioned in post 7?
      My Computer


 
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