Windows 11 KB5055627 Update: Complete Guide to New AI Features, Download & Error Fixes
This preview Windows 11 KB5055627 update from Microsoft improves system functions, performance, and security. If you currently use version 24H2 or plan to switch to it, you should learn about the update.
This guide will help you with the update's new features and how to make a safe installation. You will also know how to fix problems, and how to get past your device's hardware limits with the help of professional tools.
Part 1. What Is Update KB5055627?
On April 25, 2025, part of Microsoft’s ongoing monthly release schedule for Windows 11, KB5055627 was released as the Cumulative Preview Update for version 24H2.
- Detail
- Description
- Update Name
- KB5055627
- OS Version
- Windows 11, version 24H2
- OS Build
- 26100.39
- Release Date
- 25-Apr-25
- Update Type
- Cumulative Preview Update
- Estimated Size
- ~450–600 MB (varies by system architecture)
The main intention of this update is to provide early adopters and those who develop apps with a new preview.
Part 2. Windows 11 KB5055627 New Features and Improvements
The release notes provided by Microsoft state that the KB5055627 update adds the following new features and improvements.
- Improved Search highlights in Windows Search
- Updates to Windows Share UI with OneDrive sharing support
- Enhancements to Widgets Board performance and layout
- Fixes for Bluetooth Low Energy (LE) Audio driver compatibility
- Reduced CPU usage during File Explorer idle states
- Performance fix for Windows Backup
- Improved support for Wi-Fi 6E band switching
- Additional Narrator screen reader enhancements
These enhancements aim to improve multitasking, system fluidity, and accessibility.
Windows 11 25H2 Is Coming: Release Date, Features, Download Guide & More
Part 3. KB5055627 Common Error Codes and Issues
Despite being preview software, people have experienced error messages and cut-off downloads while trying to use it.
Common Error Codes Explained
- Error Code
- Cause/Meaning
- 0x800f081f
- Missing update files or .NET Framework corruption
- 0x800f0991
- Issues with updating component cache or service failure
- 0x80070002
- The system cannot find the required files
- 0x800736b3
- Assembly missing or package mismatch
- 0x800f0838
- Side-by-side configuration error
- 18B SECURE_KERNEL_ERROR
- Incompatibility with Secure Boot or memory integrity
Part 4. Easy 2 Ways for KB5055627 Download
Do you want to get the KB5055627 update in no time? There are quick and official ways to get and set up Windows 11, either through the Windows Update settings or by using the Microsoft Update Catalog if you want to control it more.
Here are step-by-step guides for both these methods.
1. Download KB5055627 from Windows Update
You should use this process when the situation calls for the easiest approach. Simply open Windows Update, press the Check for updates button, and install the update by clicking a simple button. Not only is it the easiest approach but it also does not require you to go through any complex steps.
Open “Settings” then “Windows Update”.
-
Locate KB5055627 under optional preview updates and click “Download and Install”.
2. Download KB5055627 from Microsoft Update Catalog
For those who fail to update or who want complete control and compatibility, get the KB5055627 update package from Microsoft's website, then install it manually.
Microsoft provides the updated files officially with its updated catalog, and anyone can access it online as explained in the steps below:
-
Go to Microsoft Update Catalog and search for “KB5055627”.
-
Download the file for your system, and install it with the ".msu” file.
Part 5. How to Fix Windows 11 Update KB5055627 Install Error
If you have trouble installing KB5055627, you might see an error. Don’t worry. Trying these four tested procedures will assist you in solving typical problems with updates, making sure no delay or interruption occurs.
1. Run Windows Update Troubleshooter
Make use of the Windows troubleshooter, it will automatically look for and solve update errors that happen for the first time or are not major.
Below are the simple and quick steps you need to follow.
Go to “Settings” then “System” and go to “Troubleshoot”
-
Click “Run the troubleshooter” under the "Windows Update" and follow the on-screen steps.
2. Run SFC and DISM Tools
A damaged system file may stop updates from being carried out. Such command-line commands help detect and resolve issues with Windows components to allow updates.
Follow the steps below and your issue will be resolved in a breeze.
Run your Command Prompt as Admin
-
Run the command “DISM /Online /Cleanup-Image /RestoreHealth /source:WIM:”your drive letter”:\Sources\Install.wim:1 /LimitAccess”
-
Run the command “sfc /scannow” and your KB5055627 installation issue will be resolved.
3. Reset Windows Update Components
Resetting them manually may fix repeated failures of updates because of damaged services in the background.
This method may include a lot of commands, but it is not as complex as it looks. You simply need to create a file and run it. It is that simple and the steps below completely explain the process with all the commands you need to follow:
-
Open your notepad and create a text file then copy the following commands:
- SC config trustedinstaller start=auto
- net stop bits
- net stop wuauserv
- net stop msiserver
- net stop cryptsvc
- net stop appidsvc
- Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old
- Ren %Systemroot%\System32\catroot2 catroot2.old
- regsvr32.exe /s atl.dll
- regsvr32.exe /s urlmon.dll
- regsvr32.exe /s mshtml.dll
- netsh winsock reset
- netsh winsock reset proxy
- rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN
- dism /Online /Cleanup-image /ScanHealth
- dism /Online /Cleanup-image /CheckHealth
- dism /Online /Cleanup-image /RestoreHealth
- dism /Online /Cleanup-image /StartComponentCleanup
- Sfc /ScanNow
- net start bits
- net start wuauserv
- net start msiserver
- net start cryptsvc
- net start appidsvc
-
Now, save this file, right-click on it, and choose "Run as Administrator to fix KB5055627 installation issue”
4. Manually Download the Update from the Microsoft Update Catalog
For cases where regular updates do not work, download and use the update from the Microsoft Update Catalog to install it manually. The process is no different from the second method in the previous section. It involves 2 simple steps before you can install your required update as explained in Part 4.
Bonus Tip: How to Install Windows 11 Smoothly Without Any Issue
If you find it hard to install Windows 11 because your PC lacks Secure Boot, TPM 2.0, or other requirements, 4DDiG Partition Manager is the tool you need to make an easier and more convenient upgrade.
Secure Download
What Can 4DDiG Partition Manager Do?
- Bypass TPM 2.0 and Secure Boot checks
- Install Windows 11 on unsupported CPU or other hardware
- Migrate OS with data intact
- Resize, format, and clone partitions
- 1-click Windows installation from ISO or USB
Steps to update to Windows 11 using 4DDiG
-
Open 4DDiG Partition Manager on your computer, and go to the "Windows Download and Upgrade" section to select "Windows 11 Upgrade".
-
Click “Detect and Upgrade” and “Next” on the next screen to bypass any requirements you do not meet for Windows 11 KB5055627.
-
Then the 4DDiG software will check and display all requirements you meet and don’t meet alongside with providing a solution. Just click “Next” to proceed.
-
Select “Windows 11”, your preferred language, and click “Start Upgrading” then “Sure” to authenticate.
-
Now, follow the rest of the steps for Windows 11 installation media with its on-screen steps and pop-up window.
Conclusion
With KB5055627, Windows 11 24H2 gets better search capabilities, nicer UI elements, and several vital tools to fix problems. Still, there can be problems during installation such as error 0x800f081f or problems with the secure kernel. We have shown you how to set up the update using your device's built-in tools or by doing it yourself.
If your PC is not updated or does not work well with Windows' built-in tools, we suggest trying 4DDiG Partition Manager. You can upgrade to Windows 11 without facing any issues related to TPM or Secure Boot and it will be completely safe and without losing any data.
Secure Download
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