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Troubleshooting Bitdefender Endpoint Security error message -3 during an update

note Note:

This article applies to Endpoint Security, Bitdefender Endpoint Security Tools (for Windows and Linux) and Endpoint Security for Mac.

Error -3 occurs when Bitdefender Endpoint Security cannot download updates over the internet.

Possible Causes

The error occurs usually when the endpoint cannot download updates from upgrade.bitdefender.com due to internet restrictions in the network, such as firewalls, content filtering, proxies, etc.

Resolution

Please check your gateway security solution logs for any blocked traffic to upgrade.bitdefender.com or update.cloud.2d585.cdn.bitdefender.net.

note Note:

To speed up troubleshooting, please also provide support tool logs from the affected workstation and associated relay/appliance. Read also this KB to learn how to use the GravityZone LogCollector for troubleshooting.

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