error in registration in ubuntu Linux

:cry:
Please help. I have downloaded avast & installed it. Upon running the GUI for the first time, the registartion dialog appears. I put the registration number received and get an error message each subsequent time I run this. The error is: “Deleted stale lock file /home/racoope/.quast/lock-file-racoope” I clik ok, & it tels me to enter the regis. number again. I’m using Gutsy version of Ubuntu (Linux). Can anyone assist ?

[Note: I tried dropping to a terminal and typing sudo avast or sudo avastgui and nothing happens.
Please help. thanks,
racoope

This thread should be moved to the part of the forum reserved for Linux:

http://forum.avast.com/index.php?board=5.0

http://forum.avast.com/index.php?topic=29791.0
http://forum.avast.com/index.php?topic=30812.0
http://forum.avast.com/index.php?topic=18226.0

Do they help?