Setup selfextract error 1006 (0000003EE)

haven’t been able to do any new installs - last 24 hours.

Setup selfextract
An error 1006 (0000003EE) has occurred

Win Vista Business SP1
Dell Optiplex 960

Download a fresh installer?

http://files.avast.com/iavs5x/avast_free_antivirus_setup.exe
http://files.avast.com/iavs5x/avast_pro_antivirus_setup.exe
http://files.avast.com/iavs5x/avast_internet_security_setup.exe
http://files.avast.com/iavs5x/avast_premier_antivirus_setup.exe