Author Topic: Tor bookmarks being blocked by Avast  (Read 4904 times)

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Offline Bowdon

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Tor bookmarks being blocked by Avast
« on: August 28, 2020, 03:16:16 PM »
I turned on the Tor browser this morning and noticed my bookmarks had disappeared. There was this message at the top of the browser;

Quote
The bookmarks and history system will not be functional because one of Tor Browser's files is in use by another application. Some security software can cause this problem.

Looking online someone had previous issues with avast in this situation and discovered it was indeed avast blocking it. So I turned off all shields to avast and reloaded tor and all the bookmarks reappeared.

I then re-enabled all shields and the error message re-appeared and the bookmarks vanished.

I'm using;

Tor Browser 9.5.4

Avast Application (Ver. 20.6.2420 - Build 20.6.5495.588)
Virus update (Ver. 200827-2)

Update: It's back working now.
« Last Edit: August 28, 2020, 07:48:46 PM by Bowdon »

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #1 on: September 02, 2020, 01:21:19 PM »
I updated the Avast application version last night to the latest release and the Tor bookmark issue is back.

So Tor Browser version 9.5.4

Avast Application (Ver. 20.7.2425 - Build 20.7.5568.590)
Virus update (Ver. 200902-0)

Update: Odd, its now back working. Strange stuff.
« Last Edit: September 02, 2020, 03:56:09 PM by Bowdon »

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #2 on: October 18, 2020, 04:02:17 PM »
Well it's back doing this again.

I recently updated the Avast application.

Avast application: ver. 20.8.2432 - build 20.8.5684.602
Virus definitions: ver. 201018-2

I suspect its something in the updates that keep causing this. Also the mini updates too.

So far since updating to application its stopping tor browser working properly.

Does anyone know why it keeps doing this?

Offline Asyn

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Re: Tor bookmarks being blocked by Avast
« Reply #3 on: October 18, 2020, 04:22:28 PM »
Hi, I'm not aware of any problems regarding TOR browser.

- Which Avast..? (Free/Premium)
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
Avast-Tools: Secure Browser 103.0 - Cleanup 22.2 - SecureLine 5.18 - DriverUpdater 22.2 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #4 on: October 19, 2020, 12:13:35 AM »
Hi, I'm not aware of any problems regarding TOR browser.

- Which Avast..? (Free/Premium)
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

It's the free version of Avast.

64bit, Professional. 2004 Version (OS Build 19041.572)
The only other software I use similar is the free version of Malwarebytes.

But this is definately an Avast problem because if I disable the shields Tor's bookmarks load up correctly.

Sometimes when I have avast running it'll cause the bookmarks problem, and then later on it'll work perfectly again.

This only happens with the Tor browser. It doesn't effect my other web browsers.

Offline Asyn

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Re: Tor bookmarks being blocked by Avast
« Reply #5 on: October 19, 2020, 09:38:23 AM »
You can submit a bug report in "About Avast". (Add a link to this thread)
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
Avast-Tools: Secure Browser 103.0 - Cleanup 22.2 - SecureLine 5.18 - DriverUpdater 22.2 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #6 on: October 19, 2020, 03:15:46 PM »
Hmm, I can't find that page on my free version.

I've noticed since I updated the program it's blocking the tor bookmarks all the time. In the previous program it seemed to change between blocking and not blocking.

Offline Asyn

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Re: Tor bookmarks being blocked by Avast
« Reply #7 on: October 19, 2020, 03:23:00 PM »
Hmm, I can't find that page on my free version.
Right click the tray icon and select "About Avast".
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
Avast-Tools: Secure Browser 103.0 - Cleanup 22.2 - SecureLine 5.18 - DriverUpdater 22.2 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline rocksteady

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Re: Tor bookmarks being blocked by Avast
« Reply #8 on: October 19, 2020, 03:25:54 PM »
Asyn beat me to it.

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #9 on: October 21, 2020, 01:32:47 AM »
Thanks guy, I found it.

Today I thought the issue fixed itself as Avast and Tor played nicely.

Then I noticed there was a Tor browser update, so I selected it and it restarted the browser and now its back to the bookmark problem again. This new tor browser version is 10.0.2

Offline Asyn

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Re: Tor bookmarks being blocked by Avast
« Reply #10 on: October 21, 2020, 09:28:56 AM »
You're welcome.
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
Avast-Tools: Secure Browser 103.0 - Cleanup 22.2 - SecureLine 5.18 - DriverUpdater 22.2 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #11 on: December 14, 2020, 02:33:38 PM »
This still seems to be an on-going issue.

I report the bug and it gets fixed. But when I update Tor the exact same problem happens again.

When Tor bookmarks are being blocked by Avast the only way to fix it is to disable the Avast shields, load up Tor, then re-enable the shields.

Offline Asyn

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Re: Tor bookmarks being blocked by Avast
« Reply #12 on: December 14, 2020, 04:03:49 PM »
Update to the latest version (20.10.2442): https://forum.avast.com/index.php?topic=243196.0
W8.1 [x64] - Avast PremSec 22.7.7366.BC [UI.713] - Firefox ESR 91.11 [NS/uBO/PB] - Thunderbird 91.11
Avast-Tools: Secure Browser 103.0 - Cleanup 22.2 - SecureLine 5.18 - DriverUpdater 22.2 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Nodar

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Re: Tor bookmarks being blocked by Avast
« Reply #13 on: February 03, 2021, 12:26:59 AM »
I turned on the Tor browser this morning and noticed my bookmarks had disappeared. There was this message at the top of the browser;

Quote
The bookmarks and history system will not be functional because one of Tor Browser's files is in use by another application. Some security software can cause this problem.

Looking online someone had previous issues with avast in this situation and discovered it was indeed avast blocking it. So I turned off all shields to avast and reloaded tor and all the bookmarks reappeared.

I then re-enabled all shields and the error message re-appeared and the bookmarks vanished.

I'm using;

Tor Browser 9.5.4

Avast Application (Ver. 20.6.2420 - Build 20.6.5495.588)
Virus update (Ver. 200827-2)

Update: It's back working now.

I know i am too late for this, but i am going to say it for the next coming people who will read this post: -
I found out that the problem was with Ransomware Shield by testing every shield one by one, it was blocking firefox.exe which is in "Tor Browser\Browser", go to Ransomeware Shield settings and click on "View allowed / blocked apps" and unblock firefox.exe .
« Last Edit: February 03, 2021, 12:36:37 AM by Nodar »

Offline Bowdon

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Re: Tor bookmarks being blocked by Avast
« Reply #14 on: May 02, 2021, 10:28:38 PM »
I know i am too late for this, but i am going to say it for the next coming people who will read this post: -
I found out that the problem was with Ransomware Shield by testing every shield one by one, it was blocking firefox.exe which is in "Tor Browser\Browser", go to Ransomeware Shield settings and click on "View allowed / blocked apps" and unblock firefox.exe .

Thanks mate.

I was on my way back to the thread as it still randomly blocks the bookmarks.

I just did as you said and it seems to have worked.

It seems that for whatever reason Avast keep adding, then removing it from the ransomware shield.

Thank you for your work in tracking down what the issue is.