Error code 1 when I tried to update an app to apple silicon

(PWEndpointClientSDK.ClientFailure error 1 Received this message on MAC OS on virus app when trying to update to apple silicon


iMac, macOS 10.13

Posted on Nov 3, 2026 12:27 PM

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3 replies

Nov 3, 2026 1:00 PM in response to mary188

mary188 wrote:
(PWEndpointClientSDK.ClientFailure error 1 Received this message on MAC OS on virus app when trying to update to apple silicon

via google search

An error message reading PW Endpoint Client SDK.Client Failure error 1 usually indicates an internal initialization, communication, or authentication block within a client software development kit (SDK) connecting to a remote endpoint.

Because this exact string is highly specific to a particular enterprise software environment, corporate internal tool, or proprietary system (often associated with ParallelWorks platforms, Microsoft 365 app instances, or endpoint credential managers), it generally breaks down to three core underlying causes:





Error code 1 when I tried to update an app to apple silicon

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