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Windows 7: Win 7 64 bit : Randomly unable to access websites

14 Oct 2013   #1
Question2

win 7 64 bit
 
 
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 System SpecsSystem Spec
.
15 Oct 2013   #2
Question2

win 7 64 bit
 
 

bump.
My System SpecsSystem Spec
15 Oct 2013   #3
Dude

Windows 10 Pro X64
 
 

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

16 Oct 2013   #4
Question2

win 7 64 bit
 
 

I doubt that, considering that this has happened with multiple ISPs and the problem goes away the moment i restart my computer.
My System SpecsSystem Spec
16 Oct 2013   #5
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

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 System SpecsSystem Spec
16 Oct 2013   #6
Question2

win 7 64 bit
 
 

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 System SpecsSystem Spec
16 Oct 2013   #7
UsernameIssues

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by Question2 View Post
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 System SpecsSystem Spec
22 Dec 2013   #8
Question2

win 7 64 bit
 
 

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 System SpecsSystem Spec
06 Jan 2014   #9
Question2

win 7 64 bit
 
 

Anyone can help?
My System SpecsSystem Spec
06 Jan 2014   #10
UsernameIssues

W7 Pro SP1 64bit
 
 

What was the result of using a clean boot mentioned in post 7?
My System SpecsSystem Spec
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 Win 7 64 bit : Randomly unable to access websites




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