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Windows 7: Certain programs not connecting to internet

19 Nov 2009   #1

Windows 7
Certain programs not connecting to internet

A friend of mine just bought a new laptop with windows 7 a week ago and has a belkin N150 router. After setting up the network everything was running fine and fast. Internet explorer and frostwire both worked plenty fine, but thats it. Firefox and Opera browsers both say they cannot connect to the internet, nor does the uTorrent program, and when we tried to use the mcafee antivirus from comcast it keeps coming up with an error along the lines of "unable to establish connection".

Well naturally I disabled both windows and the router's firewalls...still no luck. Then I plugged in the ethernet cable directly to the laptop, skipping the router...still no luck. Unless Comcast has some sort of stranglehold on which programs it will allow to use its internet, I believe it to be a windows issue. I have only worked with XP primarily and i know little about Windows 7. What would cause only internet explorer to have connections and leave everything else out?

My System SpecsSystem Spec

19 Nov 2009   #2
Microsoft MVP

Windows 7 Ultimate 32bit SP1

Sometimes an antivirus or antispyware program will not let programs connect. See if disabling Windows Defender (in Services) helps.

You might also need to flush the DNS cache:
Open a command prompt...from the Start menu,
select Run > In the box/"open field", enter cmd.exe
enter ipconfig /flushdns press 'enter'
My System SpecsSystem Spec

 Certain programs not connecting to internet

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