The report files are located in \All Users\Application Data\AVAST Software\Avast\report

Logs are located in All Users\Application Data\AVAST Software\Avast\log

Microsoft also has a Knowledgebase article on Outlook errors that includes the “Sending and Receiving reported error (0x800CCC0F)…” you’re getting.

http://support.microsoft.com/kb/813514