Fix Windows 11 Version 24H2 Not Installing Install Error 0x800700b7

 

1. Restart:

   • Click the Windows "Start" button.
   • Click the "Power" icon.
   • Select "Restart".

2. Internet:

   • Open a web browser and try loading a website to verify internet connectivity.
   • If using Wi-Fi, ensure a strong signal.
   • If using Ethernet, check the cable connection.
   • Restart your router/modem if needed.

3. Disk Space:

   • Open "File Explorer".
   • Click "This PC".
   • Check the free space on your "C:" drive. Ensure you have at least 20GB of free space.
   • Delete unnecessary files or uninstall programs to free up space.

4. External Devices:

   • Disconnect all USB drives, printers, external hard drives, and other non-essential peripherals.
   • Leave only your mouse and keyboard connected.

5. Windows Update Troubleshooter:

   • Click the Windows "Start" button and open "Settings".
   • Click "System".
   • Click "Troubleshoot".
   • Click "Other troubleshooters".
   • Click "Run" next to "Windows Update".
   • Follow the on-screen instructions to complete the troubleshooting process.

6. Reset Windows Update Components:

   • Search for "cmd" in the Windows search bar.
   • Right-click "Command Prompt" and select "Run as administrator".
   • Type the following commands, pressing Enter after each:
     • net stop bits
     • net stop wuauserv
     • net stop appidsvc
     • net stop cryptsvc¹
     • net stop msiserver
     • ren %systemroot%\SoftwareDistribution SoftwareDistribution.old
     • ren %systemroot%\system32\catroot2 Catroot2.old
     • net start bits
     • net start wuauserv
     • net start appidsvc
     • net start cryptsvc
     • net start msiserver²
   • Close Command Prompt and restart your computer.

7. SFC and DISM:

   • Search for "cmd" in the Windows search bar.
   • Right-click "Command Prompt" and select "Run as administrator".
   • Type sfc /scannow and press Enter.³
   • Wait for the scan to complete.
   • Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
   • Wait for the⁴ DISM command to complete.
   • Restart your computer.

8. Third-Party Conflicts:

   • Disable Antivirus:
     • Right-click the antivirus icon in the system tray.
     • Select "Disable" or "Turn Off" (the wording varies depending on your antivirus).
     • Follow any on-screen prompts.
   • Clean Boot:
     • Search for "msconfig" in the Windows search bar and open "System Configuration".
     • Go to the "Services" tab.
     • Check "Hide all Microsoft services".
     • Click "Disable all".
     • Go to the "Startup" tab and click⁵ "Open Task Manager".
     • In Task Manager, disable all startup items.
     • Close Task Manager and click "OK" in⁶ System Configuration.
     • Restart your computer.

9. Manual Update:

   • Open a web browser and go to the "Microsoft Update Catalog" website.
   • Search for "Windows 11 24H2".
   • Identify the correct update for your system architecture (x64 or ARM64).
   • Click the "Download" button next to the appropriate update.
   • Run the downloaded ".msu" file and follow the on-screen instructions.

10. In-Place Upgrade:

    • Go to the Microsoft website and download the Windows 11 24H2 ISO file.
    • Double-click the ISO file to mount it as a virtual drive.
    • Open the mounted drive in File Explorer.
    • Run the "setup.exe" file.
    • Follow the on-screen instructions, selecting the option to "Keep personal files and apps".
    • Wait for the process to complete, this can take a long time.