KB5050411 Released to Fix KB5048239 Installing Loop

For users frustrated by the repetitive installation of KB5048239, Microsoft's release of KB5050411, a Windows Recovery Environment update, offers a solution. This MiniTool guide explains the update's significance and provides a step-by-step installation process.

KB5050411: Replacing KB5048239

Microsoft typically releases Windows and Office updates on the second Tuesday of each month. These updates are crucial for system security, bug fixes, and new features. Prompt installation is recommended for optimal system performance and protection.

Released on January 14, 2025, KB5050411 addresses Windows Recovery Environment (WinRE) security vulnerabilities affecting Windows 10 versions 21H2 and 22H2. This isn't a new problem; previous attempts to fix WinRE security issues have encountered setbacks:

• KB5034441 (January 9, 2024): Installation failure with error code 0x80070643.
• KB5048239 (November 12, 2024): Became trapped in an endless installation loop.
• KB5050411 (January 14, 2025): Designed to replace KB5048239 and resolve the update loop.

Downloading and Installing KB5050411

KB5050411, the latest WinRE security update, resolves the KB5048239 installation loop, ensuring system boot troubleshooting capabilities. Follow these steps for installation:

Step 1: Verify Recovery Partition Space

Microsoft specifies a minimum of 250 MB free space on the recovery partition for KB5050411. Check this using Disk Management:

1. Press Win S to open Windows Search.
2. Type "disk management" and press Enter.
3. Locate the Recovery Partition and check its available space.

**Tip:**

If less than 250 MB is available, consider using MiniTool Partition Wizard to resize or extend the partition. This tool offers features such as NTFS/FAT32 conversion, partition creation/formatting, and more. Download the freeware for flexible partition management.

Step 2: Download and Install the Update

Ensure a stable internet connection and that all Windows Update services are running. Then, proceed through Windows Update:

1. Open Windows Settings.
2. Go to Update & Security.
3. In Windows Update, click Check for updates or the Download and install button next to KB5050411.

Step 3: Verify Successful Installation

After installation, the WinRE version should be 10.0.19041.5363 or higher. Verify this using the Registry Editor:

1. Press Win R to open the Run dialog.
2. Type regedit.exe and click OK.
3. Navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersion.
4. Find WinREVersion in the right pane and check its value data.

Conclusion

This concludes the guide on installing KB5050411. For systems not meeting the space requirements, utilize MiniTool Partition Wizard to adjust the recovery partition size.

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