Okay this is actually confusing the heck outta me now.
When I am on the net, after a while I get the "Cannot display this page" so have been presuming that my internet connection was dropping out. A PC restart sorted the issue.
However, this afternoon after about 30 mins of no problems I again cannot access any web pages despite trying 3 different browsers...... however (and heres the bit that is confusing) all the time that I could not access any web pages, the live stream that I was watching continued to play fine - so obviously the connection IS actually still there!!
I have posted the error messages I get from the different browsers below so if anyone has ANY suggestions I really would be grateful
GOOGLE CHROME - "This web page is not available - Error 102 (net::ERR_CONNECTION_REFUSED): Unknown Error
FIREFOX - Failed to connect - The connection was refused when attempting to contact click here
IE - Internet Explorer cannot display the webpage - When I select "Diagnose Connection Problems" it opens a Windows Network Diagnostics which then comes up with - "click here" is not set up to establish a connection on port "World Wide Web service (HTTP)" with this computer
Firewall is Zone Alarm (up to date) and all browsers have Internet Access in the "Trusted Zone"
This has been happening when I have just been browsing - it is only today when I was watching the stream at the same time that made me realise the connection must still be there whereas before I just presumed if had dropped so I don't think bandwidth is an issue
You seem to be suffering from the same problem as me and I too have not found the answer. I am using an Orange Livebox with IE, Firefox and Google Chrome all of which act in the same way. I notice that firefox effectively freezes and will not shut down even using Task Manager and when restarting it takes a long time to shot down with my having to resort to a forced shutdown at times. My connection to the PC is via Lan not wireless. You do not mention it but in my case although the browers cannot open websites I can still download mail.
If you or anyone now has an answer help will be appreciated.
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