Press inside the ESET application to access Advanced setup . Click Tools and select Proxy server .
If you are running an outdated version of ESET, update authorization might fail due to incompatibility with current servers. Go to > Check for updates .
Corrupted update files can trigger authorization errors. Clearing the cache often forces a fresh, successful connection. Press inside the ESET application to access Advanced setup
Security servers reject connection requests if your device's system time varies significantly from the server's actual time.
If an upgrade is available, install it, as this often resolves protocol mismatches. 5. Check System Date and Time Go to > Check for updates
: Temporarily disable other security software that might block ESET's outgoing traffic.
If your system clock is incorrect, your license will fail validation. Ensure the date, time, and time zone are set correctly in Windows/macOS. 6. Clear Update Cache Manually (If Step 3 Fails) Security servers reject connection requests if your device's
ESET may fail to update if it cannot reach its update servers. To test this: