Security Policy Errors

How to Fix Potential Security Concern Warnings in Publisher 2019

Olivia Miller Sep 28, 2026 870 views

Question details

The user needs to identify the cause and resolve a security warning that appears when attempting to open a locally stored file in Microsoft Publisher 2019.

How to Fix Potential Security Concern Warnings in Publisher 2019

Product: Microsoft Publisher 2019
Device & OS: Windows
Scenario: Opening a publication file that is stored on a local drive.
Observed behavior: Publisher 2019 displays a prompt stating there is a potential security concern, despite the publication components appearing to be stored locally.

Before you start

Before proceeding with troubleshooting, confirm that the publication file comes from a trusted source, as security warnings are often legitimate alerts designed to protect your device from malicious external links or macros.

Solution 1Recommended

Adjust Trust Center Settings and Save to a New Local Folder

Security warnings are frequently triggered by active content (like macros or scripts) or when a file is stored in an untrusted directory.

Microsoft Publisher uses the Trust Center to evaluate the safety of files and embedded content. Adjusting macro settings and moving the file to a known trusted location can quickly eliminate false alarms.

Save to a new location

Open your publication, click on File > Save As, and save a copy of the document to a different local folder on your computer.

Access Trust Center Settings

Navigate to File > Options > Trust Center and click the Trust Center Settings button.

Disable macros temporarily

In the left pane, click on Macro Settings. Select 'Disable all macros with no notification' and click OK. Reopen the file to test if the warning persists.

Adjust Trust Center Settings and Save to a New Local Folder

Trusted Locations: You can also add the new local folder you created to the 'Trusted Locations' list within the Trust Center to bypass security checks for files stored there.

Solution 2

Launch Publisher in Safe Mode

Running Publisher in Safe Mode disables third-party add-ins and custom settings, helping identify if an extension is causing the security prompt.

Solution 3

Perform an Office Repair and Clean Boot

If software corruption or background service interference is causing the issue, repairing Office and performing a clean boot can restore normal functionality.

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Frequently Asked Questions

Why does Publisher warn about a potential security concern for a local file?

Publisher displays security warnings when a file contains active elements such as macros, embedded OLE objects, scripts, or external data links. Even if the file itself is saved locally, these internal components can trigger Microsoft Office's Trust Center safeguards.

Does disabling all macros permanently break my Publisher files?

No. Selecting 'Disable all macros with no notification' only prevents macros from running automatically when the file is opened. It does not delete the macros from the file, and you can re-enable them in the Trust Center Settings if you confirm the source is completely safe.

How does a Clean Boot help with Publisher security errors?

A clean boot starts Windows with a minimal set of drivers and startup programs. This helps determine if a third-party application, such as an overly aggressive antivirus program or a background synchronization tool, is incorrectly tagging your local publication components as a security risk.

Microsoft Office Security Issues