The bottom line: The Microsoft Defender update KB2267602 (v1.451.155.0) causes compatibility issues with the Windows print spooler. A hotfix is available. Administrators should review their printing infrastructure.
A Defender Definitions update (KB2267602, Version 1.451.155.0) is currently causing malfunctions of the Windows print spooler service. Microsoft has provided a hotfix following user reports. IT administrators should assess the impact on their printing infrastructure.
The Microsoft Defender Definitions update KB2267602 in version 1.451.155.0 has been causing known issues with the Windows print spooler service for approximately two days. Multiple users are reporting printing impairments after installing this update.
The update was distributed via the automatic update mechanism. Systems that have installed this definitions update are affected. Initial reports indicate that the print spooler either fails to start or runs unstably.
Administrators are advised to identify affected systems and implement available remediation measures. Microsoft has responded accordingly and provided a hotfix update. For larger environments, rollout strategies should be reviewed to prevent widespread outages of printing infrastructure.
IT teams should verify the stability of their print services after installing the mentioned Defender update and implement targeted updates if necessary.
Source: borncity.com
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