Just follow the methods described below
How to Fix Virus Scan Issue in Google Chrome
When the Google Chrome “Virus Scan Failed” error message pops up, you will find that you are unable to continue downloading your particular file. This happens due to various reasons including security related ones. However, there are ways to get around this issue.
A common reason why you can’t download your files is that Chrome is experiencing a minor glitch. Other causes include your computer being infected with malware, your antivirus blocking you from downloading files, browser extensions causing various issues, and more.
When you first encounter the "Virus scan failed" error, close and reopen your Chrome browser to see if that resolves the issue. You can fix most minor issues by restarting your browser.
