Avast Problem – How to fix Avast not starting

The typical scenario: It’s early morning and I get to the office, light up my PC, log on to Windows Vista and there there. The Avast icon has a little red no-entry icon on it.

This case happens more often than it should. Thanks to this (annoying) frequency, I managed to fix the problem. If you’re lucky, you’ll only have to restart the Avast Antivirus service by following the steps below.

Start > Computer (right click) > Manage > Services and Applications > 
Services > avast! Antivirus (right click) > Restart

But if that does not fix anything, you’ll have to do 2 things:

1. Repair your Avast Antivirus installation. Steps below.

Control Panel > Uninstall or Change a Program > Avast Installation > Repair

2. Restart your Avast Antivirus service by following the steps above.

That’s about it. This should do the trick for minor Avast problems.

19 thoughts on “Avast Problem – How to fix Avast not starting”

  1. Thank’s a lot… Under the “uninstall” option in the Add/remove folder there was an “update” button… and now it’s working fine … Thank’s again 🙂

  2. Yeah so I tried the first part but it doesn’t look like it worked at all. Then I tried the second portion but I could not repair it. Any suggestions?

    Thanks

  3. Hello, thank you it worked, I went on add or remove programs in control panel and clicked on avast, then uninstall/change and clicked on update.

    Thank You

  4. Hello…yesterday my computer crashed and unfortunatly my newly perchased Avast antivirus was no longer there…..Could you help????? the date of perchase was 1st October,2011. Waiting for your help.Thanks

  5. Thanks,
    Using the change/uninstall worked, I guess I had a older version and it changed to 6.0
    I tried everything before I found your site.
    Thanks again

  6. Wow, what an easy fix! I wish I would have read your post first! Would have saved me over an hour of reading and experimenting!!! Thanks for the information!

  7. Hello, I’ve tried the first step but got an error window:

    “Windows could not stop the Avast Antivirus service on Local Computer”

    Error 1053 : The service did not respond to the start or control request in a timely fashion

    Got any idea what this is?

    Thanks

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