Avast automatically updates :slight_smile:

Make sure all your applications and browsers are up-to-date by visiting Secunia Online Software Inspector here:

Free Online Computer Scan - Online Software Inspector (OSI) - Secunia
http://secunia.com/vulnerability_scanning/online/

Click '[b]Start Scanne[/b]r'
Wait for Status/Currently Processing: at the lower left to say 'Java Applet loaded successfully. (allow java to run) Press "Start" to begin.'
Click '[b]Start[/b]'.
The scan should take less than a minute or so.
When done, download and install all the recommended updates.