
It contains important improvements and issue resolutions, including this one. We recommend you install the latest security update for your device. Resolution: This issue was resolved in updates released J( KB5027215) and later. Important: If the resolution below does not resolve intermittent save or copy issues in your environment, then you might be experiencing a different issue with similar symptoms.

Since the issue is intermittent, it is likely to succeed on a subsequent try. Workaround: To mitigate the issue, you can attempt to save or copy again. Note: Apps are not affected by this issue if they are 64-bit or 32-bit and NOT large address aware. Microsoft Office apps such as Microsoft Word or Microsoft Excel are only affected when using 32-bit versions and you might receive the error, "Document not saved." This issue is unlikely to be experienced by consumers using Windows devices in their home or on non-managed comercial device. We are not receiving reports that copying files using File Explorer is affected, but CopyFile API used within apps might be affected. Windows devices are more likely to be affected by this issue when using some commercial/enterprise security software which uses extended file attributes. Saving or copying files might intermittently failĪfter installing KB5023773 or later updates, you might have intermittent issues saving, or copying, or attaching files using 32-bit apps which are large address aware and using the CopyFile API. Client: Windows 11, version 22H2 Windows 10, version 22H2 Windows 11, version 21H2 Windows 10, version 21H2.If you are experiencing this issue with other security software installed or after installing the latest version of Trellix Endpoint Security Agent, please contact customer support of the security software you are using. Resolution: This issue has been resolved by Trellix in Endpoint Security Agent (HX) 35.31.25 and later. This issue is not likely to be encountered by consumers using Windows devices in their home.

When attempting to open an affected app, Event Log indicates an access violation with the error "module is unknown". This issue only occurs with 32-bit apps running on 64-bit Windows with Trellix Endpoint Security version earlier than 35.31.25.

Some known affected apps are Microsoft Outlook and other Microsoft Office apps. Microsoft Outlook and some apps might not openĪfter installing KB5027215 or later updates on Windows devices with certain antivirus, antimalware or security software installed, you might not be able to open Microsoft or third-party apps.
