Office Apps Not Opening

How to Fix Microsoft Publisher Error Preventing Documents from Opening

Jason MillerJason Miller Oct 28, 2026 870 views

Question details

Users are unable to open Microsoft Publisher or Word documents due to an error stating the application is prevented from working correctly.

How to Fix the Publisher Error That Prevents Office Documents from Opening
Product
Microsoft Publisher, Microsoft Word
Device & OS
not provided
Scenario
Attempting to open documents in Microsoft Publisher or Microsoft Word.
Observed behavior
An error message appears stating 'Publisher has encountered an error that is preventing it from working correctly,' and the built-in 'Repair Now' button fails to resolve the issue.
Before you start

Ensure you have your Microsoft Office account login details or product key available, as you may need to completely reinstall the software if the system repair fails.

Solution 1Recommended

Run the Microsoft Office Online Repair Tool

Use the comprehensive Online Repair tool from your system settings instead of relying on the prompt's default 'Repair Now' button.

The built-in 'Repair Now' button often only performs a superficial check and fails to fix deeper system-level corruptions. Running the full Online Repair forces the software to redownload and replace the damaged application files.

1
Open Windows Settings

Right-click the Start button and select 'Apps and Features' or 'Installed apps' from the menu.

2
Locate Microsoft Office

Scroll through the application list to find your Microsoft Office installation (such as Microsoft Office 365 or Office 2019).

3
Modify the Installation

Click the three dots (or right-click) next to the application name and select 'Modify'.

4
Execute Online Repair

Select 'Online Repair' from the prompt window and click the 'Repair' button to initiate a thorough fix. Wait for the process to complete, then restart your computer.

Run the Microsoft Office Online Repair Tool
Internet Connection Required: The Online Repair tool requires an active internet connection to download replacement files directly from Microsoft servers.
Free Microsoft Office alternative

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  1. 1. Download WPS Office: Visit the official WPS website to download the free installation package.
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Frequently Asked Questions

Why doesn't the 'Repair Now' button fix the Microsoft Publisher error?

The built-in 'Repair Now' button typically only performs a quick, superficial diagnostic. Deeper software corruptions, broken registry keys, or missing background services require the more robust 'Online Repair' tool or a complete software reinstall to resolve.

Will I lose my Publisher or Word files if I reinstall Microsoft Office?

No, your documents are saved independently from the application files. Uninstalling and reinstalling Microsoft Office will only remove the software program, leaving your personal files safely stored on your hard drive.

Can I open Publisher (.pub) files in WPS Office?

WPS Office does not natively support the proprietary .pub format. However, you can use a free online conversion tool to convert your Publisher files into PDF format, which you can then easily open, view, and edit within WPS Office.

How long does the Microsoft Online Repair take?

The Online Repair process usually takes between 15 to 45 minutes. The duration depends entirely on your internet connection speed and computer performance, as the tool downloads fresh application files directly from Microsoft's servers.