Go to → Profiles → Update .
Expert reviews from PCMag indicate that while ESET's core engine is highly rated by independent labs, its manual configuration and "bonus" features often require more technical expertise than competitors. The UCLV mirror fits this profile, serving as a powerful tool for power users who know how to point their software to custom update servers. Upgrading to a more recent version | ESET NOD32 Antivirus uclv eset nod32 update
You are off-campus (Villa Clara or abroad) or the DNS is misconfigured. Go to → Profiles → Update