Without a valid key, the anti-virus databases freeze. You are now running 3-month-old signatures against zero-day malware. This is worse than having no antivirus because it creates a false sense of security.
If you currently run an unlicensed KES installation, uninstall it immediately. Visit the official Kaspersky trial page today, secure a legitimate 30-day key, and transition to a paid license before the trial ends. Your network’s integrity depends on it. Disclaimer: Prices and features are approximate as of the current year. Always verify licensing terms directly with Kaspersky or an authorized partner. kaspersky endpoint security license key
Whether you buy directly, through a reseller, or start with a 30-day trial, ensure the key is registered to your company name. Keep the key offline in a password manager or dedicated IT asset vault. Without a valid key, the anti-virus databases freeze