Why can Windows no longer install updates for Avast?

sandra Ign October 15, 2012
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I just have a question about Windows 7 Updates and the Windows Firewall. For three months I have had the newer version of Windows 7 with original Microsoft Office 2010. Also got a full version, but I think it was a demo of Antivir AVAST.

For 1 – 2 days Windows could install whole updates and since then has been showing an error that it could not install. The funniest is, Windows can always install “Windows Defender”. Since I got Avast on it, Windows Firewall never did work. When I click on Avast, the window closes, but Firewall isn’t activated. I tried Norton 360 and Windows Firewall worked very well.

I hope you can help me.

My best friend who made my PC told me if I had more trouble with Windows Update, it’s a technical error from my computer retailer. I bought it because it’s a German company called Medion. Afterwards I heard that many things are very bad with this company.

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  1. Gordon Hay
    October 22, 2012 at 2:54 pm

    I note that it is several days since you put your question but you have not yet marked it as resolved. Since all the answers so far concern updating or installing/uninstalling avast, is it the case that this is not actually what your question is about?

    Are you in fact having problems with installing Windows and/or other updates? If so, and since you mention both Windows Defender/Firewall and avast, this could be due to conflicts with having both switched on.

    Open the Control Panel, go to the Action Center and expand the Security tab, where you may see alert messages regarding this and can chose to switch one or other off.

  2. dhanunjayarao chunduri
    October 20, 2012 at 2:19 pm

    update the avast manually.

  3. Jim Chambers
    October 18, 2012 at 3:05 am

    Your computer may have a virus.

  4. Tarek Ramadan
    October 16, 2012 at 7:57 pm

    you have to uninstall then reinstall

  5. Dave Rimmer
    October 16, 2012 at 5:50 pm

    Hi Sandra.
    If it is a Demo of Avast (sounds like Avast Pro Antivirus)it may of run out so will not update until you enter a new key/code to expand the trial to a year. I would just delete it and download Avast Free Antivirus from here - http://www.avast.com/free-antivirus-download.
    Also Avast Antivirus has not got a firewall you need to turn on windows firewall, or download Zonalarm which is a very good free firewall from here - http://www.zonealarm.co.uk/ They also do an Antivirus with firewall if you go that way then don't install Avast. Windows Defender will update because it is free but you will be better of with MSE from here - http://windows.microsoft.com/en-US/windows/products/security-essentials it just installed over Defender and you use that instead.

  6. Dimal Chandrasiri
    October 16, 2012 at 4:07 pm

    you are confused I guess. windows updates does not update avira or any other application but the windows only... if you want to update the avast, update it from the avast software.

  7. Harry Barnes
    October 16, 2012 at 3:13 pm

    go to the avast website, enter ybour product key, and then you should be able to download an update from there. i would recommened buying a different antivirus program like norton or kapersky though.

  8. Ahmed Khalil
    October 16, 2012 at 1:47 pm

    use the last version of avista

  9. Grr
    October 16, 2012 at 12:45 pm

    Are you running one or all three: Antivir, Norton, and AVAST?

    Do a clean uninstall of all (as applicable) then install Avast. By default it should have automatic update enabled. Use the same.

    Remember that Windows update only provide updates for Microsoft products.

  10. susendeep dutta
    October 16, 2012 at 11:11 am

    Firstly,download the latest version of Avast and install it.Then go to Settings present at the top right corner.Under Updates option,check automatic updates.Also,under internet or connectivity options,tick " I'm always connected to internet". This will make sure that your antivirus definitions are up to date.

    Other reasons Avast might not be working is that if it's disabled or it needs new registration key as older one needs renewal after 1 year(for free home edition).

  11. Saurabh Banwaskar
    October 16, 2012 at 10:28 am

    Avast Cannot Be Updated Using Windows Updates !!!
    Another Option Is Download Latest Virus Definitions(Google Is Your Friend Here) !!!
    It Will Be Helpful

  12. Vishal Mishra
    October 16, 2012 at 9:57 am

    you can manually install the updates from this:- (http://www.scanwith.com/download/avast_Virus_Definitions.htm) website and can install them in you computer.

  13. Harish Jonnalagadda
    October 16, 2012 at 8:47 am

    Only solution is to uninstall. Use an uninstaller like revo uninstaller and check to see if all the registry entries have also been removed. Also run this utility to check if Avast has been fully uninstalled http://www.avast.com/uninstall-utility

  14. Hiren Patel
    October 16, 2012 at 6:09 am

    Download latest avast OR Avira Both are Free Antivirus software.
    Both Are good..Used it :)

  15. Caroline West
    October 16, 2012 at 5:20 am

    Windows won't update it, it needs to be manually done by opening up the Avast frontpage and checking for updates. Failing that, why don't you head on over to CNET and download the latest version: http://download.cnet.com/Avast-Free-Antivirus/3000-2239_4-10019223.html?tag=main;pop
    This is the FREE version so check on the site if there is a PAID version if that is what you would like. And make sure, if you choose this option, that you uninstall your current Avast FIRST before you download the new one which incidentally has a very good review.

  16. kumar raja
    October 16, 2012 at 4:23 am

    *Windows will not update your Avast antivirus
    *Avast will update Automatically if it is not U should update Manually
    Use the latest version of Free Avast it is very nice

  17. Philbert Desenex
    October 15, 2012 at 9:50 pm

    I had the same problem. Their forums didn't help, it said go to control panel and do a repair. That didn't work. I then did a total un install. and downloaded a new setup and re installed. That fixed it, Avast will now update the databases.

  18. ha14
    October 15, 2012 at 8:54 pm

    Windows update will not update avast, you have to
    How to Manually Update avast!
    https://securityinabox.org/en/howtouseavast
    perhaps the Automatic Update Feature in avast is shutdown

    if you have problems with avast interface, download a new copy from avast web page. Avast is good antivirus, basically you should not have problem with it.

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