If you're running Eset Nod32 on a legacy PC, it will be advisable to disable the effects and animations to prevent slow downs. Right-click on its icon in the system-tray >"Advanced setup":
- Select the "User interface" section
- In the right pane, you'll have the "Effects" section, uncheck the box next to:
- Use animated controls
- Use animated icons for progress indication.
Click on the OK button to validate