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Troubleshooting Bitdefender Endpoint Security error message 1018 during an update

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

Error 1018 stands for "Http/404 Status Code - Not Found" and it is received when the endpoint cannot download all the files from the update server as they are missing.

Possible Causes

The endpoint receives a list of files to download from the update server, but it fails to download them because the files are missing.


The issue is caused by the local update server. To determine if the server is updating properly, please open an email ticket via the web form.

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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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