Technical Information This problem happens because the Extend.dat file contains cached information. At the command prompt type the following command and then press Enter: cd "C:\Documents and Settings\
Supported Products A-Z Get support for your product, with downloads, knowledge base articles, documentation, and more. If you do not find any copies of the Extend.dat file, use a command prompt to delete the file(s). To show hidden and system folders, read How to make Windows show all files. Unable to load "C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\vpmsece.dll".
Thank you for your feedback! Submit a False Positive Report a suspected erroneous detection (false positive).
In the Open box, type cmd and then click OK. Then, restart the computer. Provide feedback on this article Request Assistance Print Article Subscribe to this Article Manage your Subscriptions Search Again Situation When you start Microsoft Outlook, you see the following message: "The add-in Symantec Endpoint Protection Outlook Crash Under "Search for files or folders named," type the following text: extend.dat Click Search Now.
Type cd microsoft\outlook and then press Enter. Disable Symantec Endpoint Protection Outlook Add In Type del extend.dat and then press Enter. Use of the Detect and Repair option, as suggested in the error message, does not solve the problem. If a Group Policy that hides system files is in effect, you may not find the Extend.dat file when you search or browse, even after you set Windows to show all
A copy of this file exists for each local user account. Symantec Outlook Add In Note: You cannot delete copies of the Extend.dat file for other user accounts unless you log on with an account that has local administrator rights. Submit a Threat Submit a suspected infected fileto Symantec. This problem may be resolved by using Detect and Repair on the Help menu.
Translated Content This is machine translated content Login to Subscribe Please login to set up your subscription. To find and delete copies of Extend.dat Exit Outlook if the program is open. Symantec Endpoint Protection Outlook Add In Error Try these resources. Symantec Endpoint Protection Outlook Add In Crash When you delete the Extend.dat file, Outlook creates a new copy of the file with current information from the registry.
Note: On some versions of Windows, a user folder called LocalService is present. To find and delete copies of Extend.dat from a command prompt Exit Outlook if the program is open. Create a SymAccount now!' Symantec AntiVirus: Microsoft Outlook error "The add-in 'C:\Program Files\Symantec_Client_Security\Symantec AntiVirus\vpmsece.dll' could not be installed ..." TECH100704 August 13th, 2010 http://www.symantec.com/docs/TECH100704 Support / Symantec AntiVirus: Microsoft Outlook error http://netlookmag.com/symantec-endpoint/disable-symantec-endpoint-protection-outlook-add-in.html Products Products Home Threat Protection Advanced Threat Protection Endpoint Protection Endpoint Protection Cloud IT Management Suite Email Security.cloud Data Center Security Blue Coat Products Information Protection Data Loss Prevention Encryption VIP
Confirm that Windows is set to show hidden and system folders. Symantec Endpoint Protection "outlook 2016" Restart the computer. Restart the computer.
Outlook does not update the contents of the file when you start Outlook.