Ensure to have the latest Windows 7 updates installed

Verify you have installed Windows 7 Service Pack 1 (SP1) and both the standalone security updates (KB4474419, KB4490628 or later).

If you do not have these Windows updates installed, click the appropriate links for your system version below:

Do I have a 32-bit or 64-bit version of Windows 7?

If you have Windows 7 (32-bit), download and install these Security Updates:

If you have Windows 7 (64-bit), download and install these Security Updates:

If the download links do not work (for example, in Google Chrome)

Right-click the link, and then select the option Save Link As or Save Target As.

More detailed information

Use the latest product version to prevent other issues

You must install version 9.1 or later.

I have ESET Endpoint Antivirus:

I have ESET Endpoint Security:

For more information, refer to the Install or upgrade ESET Endpoint Security or ESET Endpoint Antivirus on a client workstation Knowledgebase article.