I have problem when i want to download an update.it show me a log that my key have expired or it invalid but it is a new key wfrom new e-mail adress i cant download virus base or program upade please help!!
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Check the time/date on your system

soldzer,

Sometimes this is also caused by a “manual” input of the registration number.

Go to the email from Avast, and do a “cut and paste” of the registration number into the screen in the Avast interface. Right click on the Avast A ball and choose About Avast. Then, click on License Key. Do the Cut and Paste here and see what happens.

Good Luck.