Office Apps Freezing

Fix White Unresponsive Pop-Up When Opening Microsoft Office

Emma Brown Oct 13, 2026 870 views

Question details

The user needs to resolve an issue where Microsoft Office applications display a blank, unresponsive white screen shortly after launching, preventing any interaction.

How to Fix the White Unresponsive Pop-Up in Microsoft Office

Product: Microsoft Office, SharePoint
Device & OS: Windows 11
Scenario: Opening Microsoft Office desktop applications or accessing SharePoint via web browsers.
Observed behavior: Applications like Word and Excel open briefly, but are immediately blocked by a white, unresponsive pop-up. The issue also occurs on SharePoint web versions for specific user accounts.

Before you start

Before proceeding with system repairs, simply restart your Windows 11 computer to clear temporary startup glitches, and check if your Microsoft 365 subscription is currently active without any pending sign-in prompts.

Solution 1Recommended

Repair Microsoft 365 via Control Panel

Use the built-in Windows repair tool to fix corrupted Office installation files that may be causing the white pop-up freeze.

Microsoft Office includes a built-in repair utility that can scan and replace damaged application files. This is often the most effective way to resolve startup freezes and unresponsive pop-ups without completely uninstalling the software.

Open Programs and Features

Press the Windows key, type 'Control Panel', and press Enter. Navigate to 'Programs' and then click on 'Programs and Features'.

Locate Microsoft Office

Scroll through the list of installed applications and find 'Microsoft 365' or your specific version of Microsoft Office.

Modify the Installation

Right-click on the Microsoft 365 application and select 'Change' from the context menu.

Run Quick Repair

Select 'Quick Repair' from the prompt and click the 'Repair' button. Wait for the process to finish and then restart your computer to see if the applications open normally.

Try Online Repair if Needed: If the Quick Repair does not resolve the white screen, repeat these steps and select 'Online Repair' instead. This takes longer and requires an active internet connection, but it performs a comprehensive fix.

Solution 2

Bypass the White Screen in SharePoint Web

If the issue occurs when accessing SharePoint in a web browser, it may be caused by a failing introductory message tied to a specific account.

Free Microsoft Office alternative

Try WPS Office for a Freeze-Free Experience

If Microsoft Office continues to freeze or display unresponsive sign-in pop-ups, consider switching to WPS Office. It is a highly compatible, stable alternative that allows you to manage all your documents without annoying account sync errors or startup freezes.

1. Download the Installer: Visit the official WPS Office website and download the free installation package for Windows.
2. Install WPS Office: Run the downloaded file and follow the straightforward on-screen instructions to complete the setup.
3. Open Your Files: Launch WPS Office and open your existing Word, Excel, or PowerPoint documents to resume working instantly.

Fully compatible with Microsoft Office formats, including .docx, .xlsx, and .pptx.Lightweight installation ensures faster startup times without unresponsive white pop-ups.Familiar tabbed user interface makes the transition seamless and intuitive.Free to use with built-in PDF viewing and editing tools.

microsoft office alternative - wps office

Frequently Asked Questions

Why does Microsoft Office show a blank white screen on startup?

A blank white screen typically indicates that a sign-in prompt, welcome message, or licensing window has failed to render correctly. This can be caused by corrupted software files, network issues blocking Microsoft services, or outdated display drivers.

Can this white screen issue affect Microsoft 365 web apps?

Yes. Users frequently report similar white screen pop-ups in SharePoint and other Office web applications. This is usually due to a Microsoft server-side account glitch where a mandatory introductory popup fails to load properly in the browser.

Will reinstalling Windows fix the Office white pop-up?

Reinstalling Windows is generally unnecessary and should be a last resort. The issue is almost always isolated to the Office application itself or a specific Microsoft account issue. Running an Online Repair for Office is a much faster and safer solution.

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