Author Topic: Cannot Update Signatures in AVAST Free 17.4.2294  (Read 2652 times)

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Cannot Update Signatures in AVAST Free 17.4.2294
« on: June 06, 2017, 05:13:22 PM »
I recently noticed that my Avast Free antivirus 17.4.2294 was not updating its antivirus signatures. I tried changing various settings but to no avail. I then uninstalled using the Avast Clear tool and tried to reinstall but the installation failed, so downloaded and installed the offline installer. The installation appeared to go well, but I still can't update. I get the errors in the images below - downloading servers.def.vpx - then "unknown error"

I'm running alongside Malwarebytes 3 premium latest build and CryptoPrevent 8 - I was running these together until recently without apparent problems. Could anybody suggest what I could do to resolve the situation? Thanks in advance

Offline Pondus

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #1 on: June 06, 2017, 05:23:08 PM »
Server may be offline

Does avast give any errors, saying it is not updated?

Do you recive stream updates?


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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #2 on: June 06, 2017, 06:15:39 PM »
High Pondus, thanks for your interest. I may be that I'm being stupid, I was getting a notification that definitions were out of date and then the error messages I posted above - but now, when I click on Update, I see the information posted in the attached image 5 -so does that mean I'm up to date? In the About Avast screen, I see the attached image info image 6. I thought that suggested a signature file dated in May, but perhaps I'm misreading it?

Offline Eddy

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #3 on: June 06, 2017, 06:34:39 PM »
No you are not up-to-date.
Look at the date of the VPS and what date it is on the calender.

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #4 on: June 06, 2017, 06:53:52 PM »
OK, I'm not as stupid as I thought - I wondered if I was misreading the date, but obviously not. After trying to update again, I eventually got the message in the image 7 below. Could you suggest what steps I might take to put this right?

Offline Eddy

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #5 on: June 06, 2017, 07:01:04 PM »
Check the log files and see if there is anything in one (or more) of them that could be related to the problem.
Without it, we can only guess.

If I would have to that, I would say the Gremlins have gotten wet ;D

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #6 on: June 06, 2017, 08:17:21 PM »
I never get my gremlins wet - I had just hoped for some advice on where to start looking. But hey, ho.......

Offline Eddy

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #7 on: June 06, 2017, 08:19:37 PM »
Well, start with checking the log files.

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #8 on: June 06, 2017, 09:17:10 PM »
Well, start with checking the log files.

I did start with checking the log files - can't spot anything. It seems I'd be better asking for advice elsewhere, I'm sorry to have troubled you.

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #9 on: June 06, 2017, 09:53:49 PM »
Without information there is not much what we can do for you.

Change the DNS in your router to the one Google provides and check if it changes things.

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #10 on: June 06, 2017, 11:56:45 PM »
My router and local DNS settings were already set to Google's. I supplied the error messages I received and details of the other security software installed. I omitted that I am running W7 Home Premium x64. Nothing jumps out at me in the logs.

I did find a satisfactory solution though - I ran the Avast uninstaller again and downloaded and installed Bitdefender,  which updates to the latest signatures without complaint.

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Re: Cannot Update Signatures in AVAST Free 17.4.2294
« Reply #11 on: June 07, 2017, 07:02:42 AM »
That is not a solution but a workaround.