Operation did not complete successfully because the file contains a virus or unwanted software

Virus databases are constantly updated, and an outdated database might result in a variety of problems, including Operation did not complete successfully error. To fix it, please make sure your Windows Defender (or any other security software) is up to date:
Right-click on Start and select Settings
Go to Update & Security
On the left pane, click on Windows Security
On the right pane, scroll down and locate Virus & threat protection updates
Select Check for updates
Click on Check for updates - Windows will download and install them automatically