Disable Password Keyring Ubuntu
From MS Computech
วิธีการปิด พาสเวิร์ด คีริ่ง Ubuntu
Open Applications -> Accessories -> Password and Encryption Keys
Right-click on the "login" keyring
Select "Change password"
Enter your old password and leave the new password blank
Press ok, read the security warning, think about it and if you still want to get rid of this dialog, choose "use unsafe storage".