How to Fix Error 0xc0000142 When Opening Microsoft Office Applications
Question details
Users are unable to open Microsoft Office documents or applications due to Windows error 0xc0000142.
- Product
- Microsoft Office
- Device & OS
- Windows
- Scenario
- Attempting to launch an Office application (like Word or Excel) or open a document.
- Observed behavior
- The application fails to open and displays Windows error code 0xc0000142, typically indicating damaged installation files or corrupted system components.
Ensure you have an active internet connection before starting the repair process, and save any open work in other non-Office applications, as you will need to restart your computer.
Perform an Online Repair for Microsoft Office
Running an Online Repair replaces damaged or corrupted Office installation files that trigger the 0xc0000142 initialization error.
The most effective way to resolve application initialization errors is by using the built-in repair tool in Windows. This process connects to Microsoft servers to download fresh, uncorrupted files for your Office suite.
Right-click the Windows Start button on your taskbar and select 'Apps and Features' (or 'Installed Apps' if you are using Windows 11).
Scroll through your list of installed programs or use the search bar to find your Microsoft Office or Microsoft 365 installation.
Click on the Microsoft Office entry and select the 'Modify' button. Grant administrative permissions if prompted by User Account Control.
Choose the 'Online Repair' option from the dialog box and click 'Repair'. Follow the on-screen prompts to complete the process.
Once the repair is finished, restart Windows and test an Office application to confirm the error is resolved.
Use WPS Office to Open Your Documents Seamlessly
If Windows errors like 0xc0000142 continue to prevent Microsoft Office from opening, consider switching to WPS Office. It is a highly compatible, free, and lightweight alternative that lets you open, edit, and save Word, Excel, and PowerPoint files without the heavy system overhead.
- 1. Download WPS Office: Get the free installer from the official WPS website.
- 2. Install the software: Run the setup file and complete the fast, lightweight installation process.
- 3. Access your files: Right-click your blocked Office documents, select 'Open with', and choose WPS Office to continue your work immediately.
Frequently Asked Questions
What does Windows error 0xc0000142 mean?
Error 0xc0000142 indicates that a Windows application failed to initialize properly. For Microsoft Office, this is usually caused by corrupted system components, damaged program files, or conflicts with recent Windows updates.
Will an Online Repair delete my Office documents?
No, performing an Online Repair only scans and fixes the application files. Your personal documents, spreadsheets, and presentations saved locally or on OneDrive will remain completely untouched.
What should I do if the Online Repair doesn't fix error 0xc0000142?
If the Online Repair fails to resolve the issue, you may need to check your system files for corruption using the System File Checker (SFC) tool via Command Prompt, or completely uninstall and reinstall Microsoft Office. Contacting Microsoft Support is also an option if system-level corruption is severe.
Can I use Quick Repair instead of Online Repair?
Yes, a Quick Repair runs faster and does not require an internet connection, but it only detects and replaces corrupted files locally. If a Quick Repair does not fix error 0xc0000142, an Online Repair is usually necessary as the next step.
