A Guide to Fixing Windows 11 KB5030310 Failed to Install

Windows 11 KB5030310 update installation failed? Try these methods!

Many users encounter installation failure or stuck when trying to install the Windows 11 cumulative update preview KB5030310. The KB5030310 update contains many new features and bug fixes, such as fixes for Microsoft Excel, search box tooltips, sleep mode, iCloud calendar, and contacts. For more details, please refer to: Windows 11 KB5030310: 23H2 key features and offline installation program .

Here are some practical ways to solve the installation problem of Windows 11 update KB5030310:

Method 1: Troubleshooting for running Windows updates

First try running the Windows Update Troubleshooter, which can fix update-related errors.

Step 1: Open Start > Settings > System > Troubleshooting > Other Troubleshooting .

Step 2: Click Run next to Windows Update .

Method 2: Scan using SFC and DISM

System files corruption may cause the installation of KB5030310 to fail. Use SFC and DISM scans to check and repair system files.

Step 1: Enter a command prompt in the search bar and run as administrator.

Step 2: Enter sfc /scannow and press Enter to execute the command.

Step 3: After the command is completed, execute the following command: DISM /Online /Cleanup-Image /RestoreHealth .

Method 3: Temporarily disable antivirus software and firewall

Software conflicts may also cause the installation of KB5030310 to fail. Try temporarily disabling antivirus or firewall.

Step 1: Open Settings > Privacy and Security > Windows Security > Virus and Threat Protection .

Step 2: Click on the Management Settings under Virus and Threat Protection Settings and turn off the Real-Time Protection Switch.

Method 4: Update Windows in a clean boot state

Install Windows Update in a clean boot state, and the system only loads the least amount of drivers and startup programs.

Step 1: Enter msconfig in the search bar to open the system configuration and go to the Services tab.

Step 2: Select the Hide All Microsoft Services option and click Disable All .

Step 3: In the Startup tab, click Open Task Manager and disable programs that may interfere with Windows startup.

Close the window and restart the computer, and try Windows Update again.

Method 5: Use installation media

You can try manually downloading and installing KB5030310 from Microsoft Update Catalog. If the problem is caused by the current Windows installation problem, a repair installation may be required. Before this, be sure to back up the data to prevent data loss. MiniTool ShadowMaker is a free backup software that helps you perform data backup and recovery easily.

To repair the installation of Windows 11, please refer to: How to repair Windows 10/11 system through USB .

Summarize:

I hope the above method can help you solve the problem of failed installation of KB5030310.

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