The Add-In ESET Outlook 2003 Plugin Posted on by Webmaster IT Support Forum › Forums › Windows › Windows 7 › Applications › The Add-In ESET Outlook 2003 Plugin Tagged: Eset Antivirus, Outlook 2003, Outlook Plugins This topic contains 0 replies, has 1 voice, and was last updated by Webmaster 2 years, 4 months ago. Author Posts January 21, 2016 at 12:38 pm #1642 WebmasterKeymaster When launching Outlook 2003, you get this message: Microsoft Office Outlook The add-in “C:\PROGRA~1\ESET\ESETNO~1\x86\EPLGOU~2.DLL” could not be installed or loaded. This problem may be resolved by using Detect and Repair on the Help menu. To fix this, unload the ESET plugin from Outlook 2003: In Outlook 2003, click Tools -> Options and select the Other tab. Click Advanced Options and click Add-ins Manager. Deselect the ESET Outlooko add-in and click OK. Author Posts You must be logged in to reply to this topic.