Check the proxy settings of the Update menu. Perform the following steps to change the settings:
1. Go to eScan Protection Center.
2. Click the Update menu, and then Click the Settings link.
The Update Settings window appears.
You can change the proxy settings as per the internet connectivity.
Note : To check the proxy settings of the internet, perform the following steps:
1. To open Internet Explorer, click Start, and then click Internet Explorer.
2. Click the Tools menu, and then click Internet Options....
The Internet Options... window appears.
3. Under Connections tab, click LAN Settings... button.
After the proper proxy settings are made you can try to activate the product online.