Outlook Error: 0×800CCC0D

• Incorrect account settings
• Misconfiguration of personal firewall software
• Antivirus software
• A bad modem
• Maximum Transmission Unit (MTU) size
• Outlook Express has been removed from the computer or the installation is damaged
• Your user profile in Outlook is damaged
• An e-mail item on your POP3 server is damaged

Read the following Microsoft article for more details about this error:
http://support.microsoft.com/kb/813514