Subscription expired yet says it's valid until 4/4/2012

Anyone ever get this??? I have reinstalled the license twice now but the subscription will not renew? What am I doing wrong?

What version of avast are you using, 4.8 pro or 5.0 (pro/ais) ?

Check the system date, day/month/year and adjust as required.

Try a repair of avast. Add Remove programs, select ‘avast! Anti-Virus,’ click the Change/Remove button and scroll down to Repair, click next and follow.

What errors are being displayed when you can’t renew the subscription ?