Latest Windows patches cause false error to appear • The Register

Microsoft is having difficulty keeping development code out of the Windows event log after another message that users are advised to ignore turned up in the… event log.

The problem can crop up after a user installs the July 2025 Windows non-security preview update or the August 2025 Windows security update. According to Microsoft, “Event Viewer may display an error related to CertificateServicesClient (CertEnroll) which can be safely ignored.”

Oh, good.

The issue only shows up in the Event Viewer with error ID 57 and the text, “The ‘Microsoft Pluton Cryptographic Provider’ provider was not loaded because initialization failed.” Microsoft said, “This event is related to a feature that is currently under active development.”

Pluton is the name given by Microsoft to a processor security architecture.

The problem affects Windows 11 24H2 and logs every time an affected device restarts. The CertificateServicesClient is a Windows component that deals with certificate enrolment and renewal. Administrators are therefore on the lookout for issues, and seeing several machines complaining about the component could be alarming.

In addition to issuing the instruction to ignore the message, Microsoft said, “We are working on a resolution and will provide an update in an upcoming release.”

This isn’t the first time the company has accidentally let some development code leak into into production versions of Windows. A June update left the Windows Firewall complaining about a mystery piece of “under development” code.

However, since dodging updates such as August’s patches isn’t a good idea (August’s emission was quite the smorgasbord of fixes), it seems inevitable that several Windows users are going to be on the receiving end of the event log message.

Microsoft said, “There is no impact to Windows processes associated to this event and no action is required to prevent or resolve this error.”

So that’s ok then, move along please, as there’s nothing to see here. ®

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