Author Topic: Avast 2015 randomly blocks every website access on every browser.  (Read 2218 times)

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After upgrading to avast 2015, i have noticed that sometimes (randomly) i cant access any website on any web browser i try (Chrome, Firefox etc). This problem gets fixed by itself after a few minutes but as you can imagine, it is extremely annoying to have this issue every once in a while during the day (it happens everyday by the way). At first i tried to disable avast online security but the problem remained.
Does anyone have the same problem or knows how to fix it? I would really appreciate it.

Offline Asyn

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Re: Avast 2015 randomly blocks every website access on every browser.
« Reply #1 on: December 06, 2014, 05:14:38 PM »
- Which Avast..? (Free/Pro/IS/Premier)
- Which version..?
- OS..? (32/64 Bit..? - which SP..?)
- 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

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Re: Avast 2015 randomly blocks every website access on every browser.
« Reply #2 on: December 06, 2014, 05:39:00 PM »
- Which Avast..? (Free/Pro/IS/Premier)
- Which version..?
- OS..? (32/64 Bit..? - which SP..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

I have the Free antivirus version of Avast. The version is 2015 (2015.10.0.2208). My operating system is Windows 8.1 Pro (x64). The only other security software i have on my computer besides Avast is Malwarebytes Anti-Malware but i really doubt is causes any conflict. I always used Avast on this computer which means that before the 2015 version i had the avast free antivirus 2014 which was working perfectly well.

Offline Asyn

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Re: Avast 2015 randomly blocks every website access on every browser.
« Reply #3 on: December 06, 2014, 05:43:52 PM »
1. Download Avast Free Antivirus: http://files.avast.com/iavs9x/avast_free_antivirus_setup.exe
2. Follow instructions: http://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