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Then, I would say, as Spiritsongs suggested, that is time for the new version.
First, go to www,avast.com and download the lastest version, but, do not yet install it.
Next, disconnect your computer from the internet.
Once this is done, uninstall the old version of avast.
Now, install the latest version that you downloaded and enter the new registraion key that you have.
Re-connect to the internet and make sure an iAVS update is done.
Let us know if this brings you success.
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