How to fix error code 0x800f0906: Windows couldn't install necessary files on Windows Server 2022

To resolve error code 0x800f0906 during the installation of Windows Server 2022, follow these steps:

1. Verify your internet connection: Ensure your connection is stable and robust enough to download and install the necessary files.
2. Temporarily disable antivirus software: Occasionally, antivirus programs can disrupt the installation. Disable your antivirus software temporarily and retry the installation.
3. Run the Windows Update troubleshooter: This built-in tool helps diagnose and resolve Windows Update issues. Access it via Settings > Update & Security > Troubleshoot > Windows Update.
4. Utilise the System File Checker (SFC) tool: The SFC tool can detect and repair corrupted system files. To use it, open Command Prompt as an administrator, enter 'sfc /scannow', and press Enter.
5. Employ the Deployment Image Servicing and Management (DISM) tool: DISM can repair the Windows image and address Windows Update issues. Open Command Prompt as an administrator, type 'dism /online /cleanup-image /restorehealth', and press Enter.
6. Perform a clean boot: This can help identify and fix software conflicts causing the installation problem. To perform a clean boot, navigate to Start > type 'msconfig' > select System Configuration > go to the Services tab > check 'Hide all Microsoft services' > click Disable all > go to the Startup tab > click Open Task Manager > disable all startup items > restart your computer.