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Author Topic: I think Avast is blocking my browser. Can anyone help?  (Read 5375 times)

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I think Avast is blocking my browser. Can anyone help?
« on: June 13, 2016, 08:12:53 AM »
Hi everyone,

I'm having trouble I hope someone could help with.

I have Avast Free Antivirus version 11.2.2262, and a Win XP machine. I use Mozilla Firefox and I frequently get a Server Not Found error. If I keep trying it will eventually go through, and if I try the same site with Avast Safezone it will go through straight away. I tried turning off Avast webshield active protection and it seemed to fix the issue.

I'm not sure how to configure Avast to allow Firefox. Would someone be able to help?

Many thanks.
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Offline Asyn

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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #1 on: June 13, 2016, 08:16:44 AM »
Disable HTTPS-scanning in the web shield.
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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 Eddy

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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #2 on: June 13, 2016, 09:41:06 AM »
Run FireFox in safe-mode.
If that is working fine, it is very likely one of the add-ons you have installed that is causing the problem.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #3 on: June 13, 2016, 08:13:37 PM »
Try disabling Avast online security plugin.
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Offline Eddy

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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #4 on: June 13, 2016, 08:20:32 PM »
Who says he has it installed ?
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #5 on: June 13, 2016, 09:01:41 PM »
Who said he hasn't ?
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Offline Eddy

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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #6 on: June 13, 2016, 09:12:01 PM »
Please do not try to help people as it is clear you don't have the knowledge for it.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #7 on: June 14, 2016, 12:21:16 AM »
Sweeping statement,might be better waiting for the original poster to confirm.
But I guess you have the knowledge to confirm already ?
« Last Edit: June 14, 2016, 12:31:35 AM by nigel mansel »
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #8 on: June 14, 2016, 01:31:33 AM »
Quote from: Asyn on June 13, 2016, 08:16:44 AM
Disable HTTPS-scanning in the web shield.
Had the same problem intermittently for a while,disabling online security helped especially with web page opening speed.will try this as well thanks...
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #9 on: June 15, 2016, 04:02:30 AM »
Quote from: Asyn on June 13, 2016, 08:16:44 AM
Disable HTTPS-scanning in the web shield.

That seemed to help somewhat but it still does it.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #10 on: June 15, 2016, 04:04:31 AM »
Quote from: nigel mansel on June 14, 2016, 01:31:33 AM
Quote from: Asyn on June 13, 2016, 08:16:44 AM
Disable HTTPS-scanning in the web shield.
Had the same problem intermittently for a while,disabling online security helped especially with web page opening speed.will try this as well thanks...

Hi. When you say you disabled online security do you mean you turned the webshield off? Didn't that leave you totally vulnerable? Or did you mean something else? Could you be more specific please?

Cheers.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #11 on: June 15, 2016, 04:09:12 AM »
Quote from: Eddy on June 13, 2016, 09:41:06 AM
Run FireFox in safe-mode.
If that is working fine, it is very likely one of the add-ons you have installed that is causing the problem.

Thanks. Still does it unfortunately.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #12 on: June 15, 2016, 04:10:12 AM »
Quote from: nigel mansel on June 13, 2016, 08:13:37 PM
Try disabling Avast online security plugin.

Hi. Do you mean in Firefox? I don't have it.
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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #13 on: June 15, 2016, 04:11:18 AM »
Is there a way I can add Firefox to Avast trusted programs?

Thanks guys.
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Offline Asyn

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Re: I think Avast is blocking my browser. Can anyone help?
« Reply #14 on: June 15, 2016, 05:49:58 AM »
You could try the latest beta: https://forum.avast.com/index.php?board=15
It brings a new implementation of Web Shield.
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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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