Is it overdue? You can change the serial number. If it doesn't expire, it should be that your virus database date is too far away from the update date, or you haven't updated it for a long time. Go directly to ESET NOD32 for the next offline update package. If you don't know, go to Baidu search and enter ESET NOD32 offline update package. The first one is. Decompress after downloading, find a path to store it, and then choose the update path of ESET NOD32 to the storage path of your decompressed update package, and the update will be fine. After the update, select the path as the default path, which can be updated automatically in the future. It used to be updated like this, every day or at least every two or three days.

You can also look at this method.

I. Update

1.ESETNOD32 Anti-virus 360 Special Edition Method of Offline Updating Virus Database

2. Unable to update successfully, prompt "Invalid user name and password"

3. The solution of invalid user name and password and blank pop-up window when updating.

4. The solution of "unable to connect to the server" during the update.

5. How to use proxy server to upgrade the virus database of ESETNOD32?

6. Error in updating, prompting "Error in creating temporary folder"

Second, activate

1. LAN user activation method

2. how to activate NOD32 with user name and password?

3.ESETNOD32 Anti-virus 360 Special Edition-Guide to Activation for Paying Users

4. "Activation failed, error code XX"-Please refer to the solution for this position.

5.64 How do operating system users install and activate NOD32 software?

Third, installation

1. Prompt when installing ESETNOD32: The primary key HKEY _ Local _ MachinesoftwareWindows Curr cannot be opened.

Fourth, get the activation code for free.

1.ESETNOD32 Anti-virus 360 Special Edition-Free Access Code Acquisition and Activation Guide

Verb (abbreviation for verb) to buy.

1. NOD32 users who have lost their activation code, please check here.

2. Mobile users buy NOD32-an area supported by 40 yuan all the year round.

3.NOD32 Activation Code Purchase Details-Mobile Phone Purchase

Detailed explanation of 4.4. NOD32 Activation Code Purchase-Alipay Purchase

5.NOD32 Activation Code Purchase Details-Bank Card Purchase

6.NOD32 Activation Code Purchase Details-19 Payment for Shenzhouxing Recharged Card Purchase

7.NOD32 Activation Code Purchase Details-Epro Shenzhouxing Prepaid Card Purchase

8. Invoices of Purchase Node 32

Sixth, use

1. Unable to browse the web after installation.

2. Solution to "Communication Error with Kernel"

3. The solution of 3.NOD32 "Application Protocol Analysis can't work normally"

4. How to delete the signature of NOD32 in an email?

How did 5.5 do it? NOD32 involves high-speed download tools?

6.NOD32 icon takes a long time on the desktop.

7.7 solution. NOD32 icon turns red

8. There are many blue words "Error in opening (file locked)" during scanning.

Seven. uninstall

1.ESETNOD32 Anti-virus 360 Special Edition-Uninstall Guide