Update & Upgrade Problems

Fix Windows 11 23H2 Installation Failure and OneNote Issues

Aamir Naveed Akram Oct 12, 2026 871 views

Question details

The user needs to resolve an installation failure when attempting to reinstall the Windows 11 version 23H2 update, which originally caused OneNote to become slow and unresponsive.

How to Fix Windows 11 23H2 Installation Failure and OneNote Issues

Product: Windows 11 and Microsoft OneNote
Device & OS: Windows 11
Scenario: Reinstalling a Windows 11 feature update after rolling it back due to Office application performance issues.
Observed behavior: Microsoft OneNote becomes unresponsive after the 23H2 update, and subsequent attempts to reinstall the rolled-back update result in a system installation failure.

Before you start

Before attempting to reinstall the update, verify that your device fully meets the minimum hardware requirements for Windows 11 23H2 and ensure you have a stable internet connection.

Solution 1Recommended

Run the Windows Update Troubleshooter

Use the built-in Windows troubleshooting tool to automatically detect and fix corrupted update files or stalled services.

The Windows Update Troubleshooter is the most effective first step for resolving update failures. It scans your system for missing or corrupted components and automatically resets the Windows Update service if necessary.

Open Windows Settings

Press the Windows key + I on your keyboard to open the Settings app.

Navigate to Troubleshooters

Go to System > Troubleshoot, and then click on 'Other troubleshooters'.

Run the Tool

Find 'Windows Update' in the list and click the 'Run' button next to it. Follow the on-screen prompts to apply any recommended fixes.

Restart Your Device

Once the troubleshooter completes its process, restart your computer and attempt to download the 23H2 update again.

Check Pending Drivers: After restarting, go to Windows Update > Advanced options > Optional updates and install any pending driver updates to ensure maximum compatibility.

Solution 2

Manually Install the 23H2 Enablement Package

Bypass the standard Windows Update process by manually downloading and installing the specific enablement package (KB5027397) for version 23H2.

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Frequently Asked Questions

Why does OneNote run slow after a Windows 11 update?

Performance drops after a major OS update can occur due to background indexing, temporary compatibility issues with display drivers, or corrupted application cache. Repairing the Office installation or updating graphics drivers often resolves this.

What is the Windows 11 23H2 Enablement Package?

The enablement package (KB5027397) is a small update file that turns on the dormant 23H2 features which were already downloaded to your system during previous Windows 11 22H2 cumulative updates.

How do I fix corrupt update files in Windows 11?

You can fix corrupt update files by clearing the SoftwareDistribution folder, running the Windows Update Troubleshooter, or using the built-in SFC (System File Checker) and DISM command-line tools to repair system integrity.

Installation & Activation