Author Topic: Uninstall Avast Free, AvastClear does not work  (Read 10035 times)

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Uninstall Avast Free, AvastClear does not work
« on: April 27, 2017, 02:03:42 AM »
I'm trying to uninstall Avast Free.  I didn't want to install it.  It was installed behind another app I believe.  I tried to uninstall from the control panel and it gets stuck.  I tried AvastClear and it boots into safe mode and gets stuck too, in the same place (see screenshot).
 

Offline mchain

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #1 on: April 27, 2017, 02:13:28 AM »
Try attaching your screenshot in your next reply.

What version and build are you trying to install?
What OS?  What SP?
Any prior a/v's?
Windows 10 Home 64-bit 22H2 Avast Premier Security version 24.1.6099 (build 24.1.88821.762)  UI version 1.0.797
 UI version 1.0.788.  Windows 11 Home 23H2 - Windows 11 Pro 23H2 Avast Premier Security version 24.2.6105 (build 24.1.8918.827) UI version 1.0.801

Offline Eddy

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #2 on: April 27, 2017, 11:15:58 AM »
Delete avast manually.
Remove all folders, files and registry entries.

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #3 on: April 27, 2017, 09:41:24 PM »
Try attaching your screenshot in your next reply.

What version and build are you trying to install?
What OS?  What SP?
Any prior a/v's?

Version: Avast 17.3.2291 b17.3.3443.0
Windows 7, SP1
Sophos Endpoint security is installed

I didn't intentionally install Avast.  It was installed alongside something else.  Now I can't get rid of it.  I'm fairly computer savvy.  I'd rather remove the correct, neat way, rather than start hacking it out of the OS, but if I have to, I assume that Avast has some procedure for manually uninstalling their software.

Offline Pondus

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #4 on: April 27, 2017, 09:46:57 PM »
Quote
Sophos Endpoint security is installed
Could be a conflict here?

Try uninstall Sophos first and reboot, and then run avastclear



Offline Eddy

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #5 on: April 27, 2017, 09:53:13 PM »
Quote
I assume that Avast has some procedure for manually uninstalling their software.
No, they haven't. :(

If everything is working as it should, you could uninstall through control panel and after that run avastclear.
But that does leave things from avast behind.
Unfortunately the only way is as I said.

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #6 on: April 28, 2017, 01:10:42 AM »
Quote
Sophos Endpoint security is installed
Could be a conflict here?

Try uninstall Sophos first and reboot, and then run avastclear

I can't uninstall Sophos.  It is controlled by Group Policy at the domain level.  I didn't want Avast install at all.  It installed somewhat covertly.  It may have been a check box that I missed during the installation of something else, but either, way it needs to go.

Offline Pondus

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #7 on: April 28, 2017, 06:59:32 AM »
Quote
I can't uninstall Sophos.  It is controlled by Group Policy at the domain level.
Get help from your IT administrator


Offline chris..

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #8 on: April 28, 2017, 07:57:06 AM »
Unfortunately the only way is as I said.
hi,
I don't think this is the only way (by hand) , there are third free tools who do that easier.
On the other hand , I'm sure you are right
Quote
But that does leave things from avast behind.
It reminds me third "avast! cleanup Tool 1.3" (outdated) but who did his job very well , better than avast clear.

Offline Eddy

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #9 on: April 28, 2017, 11:14:04 AM »
That is a tool from RejZoR (used to be a active member on this  webboard) and it only support up to avast 2014.
Unless there is a tool that I don't know of, the only way to remove avast completely is by hand.

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #10 on: April 28, 2017, 04:59:16 PM »
OK, I finally got rid of Avast.  I ran the uninstall routine while the Task Manager was running next to it.  That showed that another avast app opened up during the routine when it locked up.  I killed that app and it started the rest of the uninstall routine.  That was enough to get rid of Avast.  I then re-ran AvastClear in SafeMode and that finished it off.  Thank you all for your time and offers of help and suggestions.

Offline Eddy

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Re: Uninstall Avast Free, AvastClear does not work
« Reply #11 on: April 28, 2017, 07:01:31 PM »
You're welcome.