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Fix Microsoft 365 Setup That Closes Without Installing on Windows
Question details
The user is attempting to install Microsoft 365, but the setup wizard displays a preparation message and abruptly closes, preventing the installation from proceeding.
- Product
- Microsoft 365
- Device & OS
- Windows 10
- Scenario
- Installing or reinstalling Microsoft 365 on a Windows PC.
- Observed behavior
- The Microsoft 365 setup window opens briefly, shows a 'getting ready' message, and then unexpectedly terminates without installing the software or displaying an error code.
Ensure your computer has a stable internet connection and temporarily disable any third-party antivirus software, as overly strict security settings can sometimes terminate the setup process prematurely.
Remove Office Remnants with the Support and Recovery Assistant
Using Microsoft's official uninstall tool is the most reliable way to clear out corrupted installation files and registry remnants that cause the new setup to crash.
Incomplete previous installations or leftover registry keys often conflict with new setup attempts. A standard uninstall from the Control Panel might not remove these hidden fragments.
Navigate to the official Microsoft support site and download the Microsoft Support and Recovery Assistant (SaRA) Office uninstall tool.
Launch the downloaded executable, agree to the terms, and select your installed version of Office from the provided list to begin the removal process.
Once the tool finishes removing all Office components, reboot your computer to ensure all background processes and registry changes are fully applied.
Go to Office.com, sign in with your Microsoft account, download a fresh copy of the Microsoft 365 installer, and run it as an administrator.
Repair Corrupted Windows System Files
If essential Windows system files are damaged, the installation wizard might crash. Running the System File Checker (SFC) can automatically repair these core files.
Install Pending Windows Updates
Missing crucial Windows 10 updates can lead to compatibility issues with the latest Microsoft 365 installation package.
Switch to WPS Office for a Hassle-Free Experience
If Microsoft 365 installation continues to fail on your system, consider switching to WPS Office. It is a powerful, lightweight, and completely free alternative that bypasses complex setup errors while keeping you productive.
- 1. Download the Installer: Visit the official WPS Office website and click the 'Download' button to get the lightweight installation file.
- 2. Run Setup: Open the downloaded file. The WPS setup is streamlined and typically finishes in less than a minute.
- 3. Start Working: Open WPS Office and immediately begin creating or editing your existing Microsoft Office documents without any complex configurations.
Frequently Asked Questions
Why does the Microsoft 365 setup close immediately after saying 'getting ready'?
This abrupt closure usually happens due to corrupted Windows system files, conflicting third-party antivirus software, or hidden remnants of a previous Office installation blocking the new setup process.
Do I need an active internet connection to install Microsoft 365?
Yes, the standard Microsoft 365 installer is a web installer that downloads the necessary application files in the background. If your connection drops or fluctuates, the setup may close unexpectedly. If you have a poor connection, consider using the offline installer.
Will I lose my files if I use the Support and Recovery Assistant to uninstall Office?
No. The Microsoft Support and Recovery Assistant only removes the Microsoft Office application files, registry entries, and settings. Your personal documents, spreadsheets, and presentations saved on your hard drive or OneDrive will remain perfectly safe.
Can I install an alternative office suite if Microsoft 365 refuses to work?
Absolutely. If you cannot resolve the setup issues, you can install lightweight alternatives like WPS Office. It is fully compatible with Microsoft formats and installs rapidly without the heavy system requirements of Microsoft 365.
