Author Topic: Avast keeps blocking or generating DNS problems  (Read 11264 times)

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Offline raverlof

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Avast keeps blocking or generating DNS problems
« on: May 25, 2019, 04:31:15 PM »
hello!
i've recently troubleshoot, that my avast internet security is the reason of the DNS blockage.
It works fine the browser when I deactivated the shield....
but if i get them back on, the problem persists; - my internet is working fine - dns arent working properly (windows error solver says it )

i've got window 10

what can I do ? i'm starting to run out of ideas....without paying an antivirus but having to disable it completey...
thanks for your help and time.

Offline Pondus

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Re: Avast keeps blocking or generating DNS problems
« Reply #1 on: May 25, 2019, 04:38:03 PM »
More info ....

what avast free / internet security .... build version

what is blocked

What error messages ..... screenshot



Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #2 on: May 25, 2019, 04:56:58 PM »
avast internet security payed version.
version 19.5.2378 (compilación 19.5.4444.497)
windows 10 , 64 bitx.

it blocks the DNS. i try to use a browser as explained. Chrome/mozzilla. but the translation of domain isn't done.
I apply the network problem solver, and says it's the DNS aren't working properly.

I've troubleshoot, changing all the DNS servers, looked all the options online etc. All not working , except deactivating avast shield.

So unitil i've arrived to this problem that avast internet security had this problem and was fixed  by some update.....(forum data)

then I've troubleshoot it  that this blockage ends when I disable the shields, some solution pages from avast user adviced to disable one by one shield and check which one is generating this trouble....

So I want to know if there is any solution without having to disable the shields.
because it's clearly the avast.

thanks.

Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #3 on: May 25, 2019, 06:02:11 PM »

https://ibb.co/dLRPWNN


this is the error messages.
But as I've said. it's clearly just the DNS server not working and due to avast internet security shields protections.

asa I deactivate them I can surf freely.

« Last Edit: May 25, 2019, 06:05:56 PM by raverlof »

Offline Pondus

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Re: Avast keeps blocking or generating DNS problems
« Reply #4 on: May 25, 2019, 06:15:34 PM »
Does it work if you turn off avast real siste?

https://support.avast.com/en-eu/article/Antivirus-Real-Site-FAQ



Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #5 on: May 25, 2019, 06:35:08 PM »
arghh
i thought it was the answer :)

but nah....
doesn't work either disabling that :(


it works perfectly when I disable all shields.
Sometimes I think i've "troubleshoot" that the surfing DNS works perfect when only the WEB SHIELD is disabled....but some other times doens,t and need to disable all shield....

thanks for your  quick answe. much appreciate it.
« Last Edit: May 25, 2019, 06:47:48 PM by raverlof »

Offline Pondus

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Re: Avast keeps blocking or generating DNS problems
« Reply #6 on: May 25, 2019, 07:04:13 PM »
Did you reboot after turning it off?

Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #7 on: May 26, 2019, 04:25:58 AM »
yes i did reboot....and try it.
 
:(
any other option ?  :((((

thanks :)

Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #8 on: May 26, 2019, 06:49:33 AM »
example:

i surf a web page (ex: this forum)
everytime I refresh but the shields are on. I get a DNS problems.
Down in mozzilla or chrome bottom left bar shows "negotating TLS www.blabla..."
and then it just doesn't load.

as soon as I deactivate all shield, everything works perfectly again...
this is  abit frustrating hahah
to have a antivirus and having to disable it all the time to browser online....

Offline Asyn

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Re: Avast keeps blocking or generating DNS problems
« Reply #9 on: May 26, 2019, 07:22:36 AM »
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #10 on: May 26, 2019, 09:37:49 AM »
been using avast and secure line for almost 3 years.

Sometimes it used to happend this DNS problem....but after rebooting and "letting pass time"..... always ended up fixing.
I always thought it was the ISP, since i'm in Thailand travelling/living right now, and THAI goverment controls some websites etc...i was with the paranoia it was the ISP sometimes fucking around......

but now the problem is permanent....

Offline Asyn

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Re: Avast keeps blocking or generating DNS problems
« Reply #11 on: May 26, 2019, 09:41:32 AM »
1. Download Avast Internet Security: https://files.avast.com/iavs9x/avast_internet_security_setup_offline.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline raverlof

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Re: Avast keeps blocking or generating DNS problems
« Reply #12 on: May 26, 2019, 03:23:23 PM »
1. Download Avast Internet Security: https://files.avast.com/iavs9x/avast_internet_security_setup_offline.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.
sorry
doesn't work either....
again....disabling enabling fixes the browser problem :(

Offline dacama

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Re: Avast keeps blocking or generating DNS problems
« Reply #13 on: May 26, 2019, 09:03:06 PM »
i would just like to confirm this.it keeps happening to me and the only thing that works is disable the shields.
just an update.turned off firewall and problem went away until they came back on.then my vpn would not connect until i disabled all shields again.definately something not right with this update.i have had this problem all weekend.definately something with the shields just turned on anti exploint and wbshield and it happened again.disable shields and working again
« Last Edit: May 26, 2019, 10:15:38 PM by dacama »

Offline Asyn

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Re: Avast keeps blocking or generating DNS problems
« Reply #14 on: May 27, 2019, 05:36:59 AM »
Follow instructions: https://support.avast.com/article/33/ and post your File-ID here afterwards.
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0