I have the same problem with Office 2013 RTM. I use 3 POP Accounts and the automatic send/receive not working ESET Outlook Plugin error ESET NOD32 Antivirus 6.0.306.0 (NL) I fixed this issue by disable the outlook 2013 add-in "ESET Outlook Add-in". I'm using ESET NOD32 Antivirus v6.0.306.0 with Windows 8 (x64). Please resolved this problem Eset !!!!!!!!!