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Chrome and Firefox won't connect to Internet. IE will.


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#1 BazookaSamurai

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Posted 15 January 2016 - 10:44 PM

My Parents' Windows 7 Desktop PC has been acting out.

 

They are unable to visit a web page via Chrome or Firefox but IE works normally.

 

If they try to visit a webpage via Chrome they get:

 

Unable to access the network

 

ERR_NETWORK_ACCESS_DENIED

 

If they try to visit a webpage via Firefox they get:

 

Unable to connect

 

 

How can I fix this?



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#2 Phantom010

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Posted 16 January 2016 - 06:01 PM

Make sure there aren't any proxy servers in Chrome and Firefox settings.

 

The firewall might be blocking Chrome and Firefox. Set it to allow those browsers.



#3 BazookaSamurai

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Posted 17 January 2016 - 04:02 AM

Make sure there aren't any proxy servers in Chrome and Firefox settings.

 

The firewall might be blocking Chrome and Firefox. Set it to allow those browsers.

 

I wouldn't think there would be, but I will definitely check tomorrow.

 

Thanks for the reply.



#4 Phantom010

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Posted 17 January 2016 - 02:49 PM

 

Make sure there aren't any proxy servers in Chrome and Firefox settings.

 

The firewall might be blocking Chrome and Firefox. Set it to allow those browsers.

 

I wouldn't think there would be, but I will definitely check tomorrow.

 

Thanks for the reply.

 

 

Proxy servers inserted by malware never ask for permission, and are quite common.



#5 BazookaSamurai

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Posted 02 February 2016 - 04:23 PM

 

 

Make sure there aren't any proxy servers in Chrome and Firefox settings.

 

The firewall might be blocking Chrome and Firefox. Set it to allow those browsers.

 

I wouldn't think there would be, but I will definitely check tomorrow.

 

Thanks for the reply.

 

 

Proxy servers inserted by malware never ask for permission, and are quite common.

 

How would I find out if there is one installed?

 

I couldn't find anything in any of the browser settings. 

 

I ran malwarebytes & combofix.



#6 Phantom010

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Posted 02 February 2016 - 04:33 PM

If there aren't any proxy servers in your browser settings, then there aren't any.



#7 BazookaSamurai

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Posted 02 February 2016 - 07:21 PM

If there aren't any proxy servers in your browser settings, then there aren't any.

Have any other ideas as to why those two browsers won't work?



#8 Phantom010

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Posted 02 February 2016 - 10:12 PM

Did you check the firewall to make sure Chrome and Firefox weren't blocked?



#9 BazookaSamurai

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Posted 29 February 2016 - 03:41 PM

Did you check the firewall to make sure Chrome and Firefox weren't blocked?

Yes. They were not blocked.



#10 Niweg

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Posted 05 March 2016 - 01:40 PM

 Two approaches.  One, you could uninstall Chrome & Firefox and reinstall.  The other thing would be to check for corrupt system files and malware.  Open an administrative command prompt and issue this command: sfc /scannow .  After that download MalwareBytes, get it up to date, and do a scan.  I assume you have an up to date antivirus program.

If none of the above helps, post in the Am I Infected forum.

 

 Good luck.


Make regular full system backups or you'll be sorry sooner or later.


#11 BazookaSamurai

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Posted 06 March 2016 - 04:23 PM

 Two approaches.  One, you could uninstall Chrome & Firefox and reinstall.  The other thing would be to check for corrupt system files and malware.  Open an administrative command prompt and issue this command: sfc /scannow .  After that download MalwareBytes, get it up to date, and do a scan.  I assume you have an up to date antivirus program.

If none of the above helps, post in the Am I Infected forum.

 

 Good luck.

Thank you for the reply. I upgrade the PC to Windows 10 and Firefox/Chrome are working again. I had tried to uninstall and reinstall with no luck. Also ran ComboFix/Malwarebytes but found nothing. Hopefully it doesn't return.



#12 Niweg

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Posted 07 March 2016 - 09:24 PM

 This would be an excellent time to make a full system backup to an external hard drive.  Murphy loves computers!

 

 Good luck.


Make regular full system backups or you'll be sorry sooner or later.


#13 BazookaSamurai

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Posted 09 March 2016 - 09:04 PM

 This would be an excellent time to make a full system backup to an external hard drive.  Murphy loves computers!

 

 Good luck.

Thank you, I have done so. 






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