If you receive a message indicating that the update server could not authenticate your username and password, it is likely due to one of the following reasons: Your username and (or) password is entered incorrectly in the Update Setup
Sometimes, your ESET security product displays the error message Update attempt failed . This error message is displayed whenever your ESET security product tries to to download an update but cannot connect to the update server . To resolve this issue, please follow the steps below:
Update is an essential aspect of a fully functional NOD32 system. It consists of downloading files from the update server in order to increase the effectiveness of the antivirus system. NOD32 uses three types of update: Program component upgrade, Incremental virus database update, and Base update of virus databases.
Error: Connecting to server - The address of the update server is known, but ESET NOD32 cannot connect. If your update method is to connect (through the internet) directly to ESET’s servers, please check the following:
a correct and valid username and password must be specified in the update setup panel the update server should be set to automatic selection (default setting) an Internet connection must be established at the time an update is performed
In this dialog window you can specify the update server from which virus signature updates are to be downloaded. Leave the default of Choose automatically
Your username and password were provided at the time of purchase and are required in order for our update servers to identify you as an ESET customer. In the event that you do not know your registration email address, please use our Customer Care Support Form
On networks with mobile users, NOD32 can be configured to use dual update profiles. This allows NOD32 to first attempt to update from the local LAN Update Server ( Mirror ). If the user is out of the office and unable to receive updates from the LAN Update Server, NOD32 will automatically attempt to update through the Internet, directly from the ESET update servers.