Author Topic: no internet access anymore  (Read 2946 times)

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no internet access anymore
« on: September 10, 2016, 11:10:09 PM »
Hi,

I am almost desperate...

Since a few days, I cannot connect to the Internet anymore when Avast Free is running (version 12.3.2280 build  12.3.3154.0) on my Windows 8.1 PC. If I disable Avast, my Internet access is working again.

Please help.

Jean-Luc

Offline Pondus

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Re: no internet access anymore
« Reply #1 on: September 11, 2016, 12:00:01 AM »
Avast 2016: Repair and reset Avast Antivirus  >  https://www.avast.com/faq.php?article=AVKB204#artTitle



Offline DavidR

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Re: no internet access anymore
« Reply #2 on: September 11, 2016, 12:22:40 AM »
Avast free doesn't have a firewall, so it shouldn't be blocking your internet connection. Disabling avast doesn't identify the culprit, if there is a conflict removing one part and no conflict, but no proof.

The most likely cause of no connection when using avast free is a firewall blocking avast - what is your firewall ?

Have (or did) you another Anti-Virus installed in this system, if so what was it and how did you get rid of it ?
Windows 10 Home 64bit/ Acer Aspire F15/ Intel Core i5 7200U 2.5GHz, 8GB DDR4 memory, 256GB SSD, 1TB HDD/ avast! free 24.6.6121 (build 24.6.9241.848) UI 1.0.809/ Firefox, uBlock Origin, uMatrix/ MailWasher Pro/ Avast! Mobile Security

Offline stibi

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Re: no internet access anymore
« Reply #3 on: September 11, 2016, 07:10:17 PM »
Hi jean-luc23,

did this configuration work in the past?
Did you change anything in the time when troubles occured?

Offline Luukjr

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Re: no internet access anymore
« Reply #4 on: September 11, 2016, 07:41:11 PM »
Hi,

I am almost desperate...

Since a few days, I cannot connect to the Internet anymore when Avast Free is running (version 12.3.2280 build  12.3.3154.0) on my Windows 8.1 PC. If I disable Avast, my Internet access is working again.

Please help.

Jean-Luc

Try this: Turn Avast Secure DNS off if you don't use it.  https://www.avast.com/nl-nl/faq.php?article=AVKB193
OS: Windows 10 Home
Soft: Avast Premium Security  / Avast Cleanup / Malwarebytes Premium

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Re: no internet access anymore
« Reply #5 on: September 11, 2016, 11:29:35 PM »
Hi,

Thank you for all your answers.

Here are my comments:

1. Pondus: I tried the repair before posting my question. It didn't help.

2. DavidR: I never installed a firewall, but I see that the Windows firewall is up and running. I disabled it, but this does not seem to change anything here. I did not install any other anti-virus software.

3. stibi: yes, this configuration worked in the past. I did not intentionally change anything related to this matter.

4. Luukjr: I don't find any Secure DNS option in the Settings of the Avast user interface (probably not part of the free version).

This last answer gave me the idea to disable all options in the Setting and then to turn them on one at a time. Now that I re-activated all of them, I can still use my browsers to access the Internet. So the problem is gone as strangely as it arrived...

Hoping that this will still work tomorrow morning.

Thanks again for your help.

Jean-Luc

Offline DavidR

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Re: no internet access anymore
« Reply #6 on: September 11, 2016, 11:37:09 PM »
Hi,
Thank you for all your answers.

Here are my comments:
<snip>
2. DavidR: I never installed a firewall, but I see that the Windows firewall is up and running. I disabled it, but this does not seem to change anything here. I did not install any other anti-virus software.
<snip>
4. Luukjr: I don't find any Secure DNS option in the Settings of the Avast user interface (probably not part of the free version).

This last answer gave me the idea to disable all options in the Setting and then to turn them on one at a time. Now that I re-activated all of them, I can still use my browsers to access the Internet. So the problem is gone as strangely as it arrived...
<snip>

As far as I'm aware the win8.1 firewall has outbound firewall protection, but it isn't enabled by default. So that shouldn't have been the issue.

Hopefully this was a hiccup and you will continue to have access to the internet.
Windows 10 Home 64bit/ Acer Aspire F15/ Intel Core i5 7200U 2.5GHz, 8GB DDR4 memory, 256GB SSD, 1TB HDD/ avast! free 24.6.6121 (build 24.6.9241.848) UI 1.0.809/ Firefox, uBlock Origin, uMatrix/ MailWasher Pro/ Avast! Mobile Security

Offline bob3160

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Re: no internet access anymore
« Reply #7 on: September 12, 2016, 11:19:36 PM »
Have you tried this tool:
Complete Internet Repair


It has gotten me out of many scrapes.
Scroll all the way down for the download link.
Free Security Seminar: https://bit.ly/bobg2023  -  Important: http://www.organdonor.gov/ -- My Web Site: http://bob3160.strikingly.com/ - Win 11 Pro v24H2 64bit, 32 Gig Ram, 1TB SSD, Avast Free 24.4.6112, How to Successfully Install Avast http://goo.gl/VLXdeRepair & Clean Install https://goo.gl/t7aJGq -- My Online Activity https://bit.ly/BobGInternet