Hello, Lewi Kristianto
Welcome to Microsoft Community.
The error code 0x800f0920 typically indicates an issue with the Windows Update components. This error may arise due to incomplete system updates or corruption of certain components. The Windows Sandbox is also considered a component of the operating system. Have you tried implementing any of the suggestions related to Windows Update?
Troubleshoot problems updating Windows - Microsoft Support
It is crucial to ensure that all updates for Windows are installed, including those not necessarily used by the Sandbox, such as .NET Framework and Visual C++.
If the Sandbox still does not open, it is advisable to use a Windows installation package that includes the latest updates to overwrite the existing system. This process should not affect the files saved on your computer, but it is still recommended to back up important files beforehand, just in case:
How to run In-place upgrade in Windows 11 - Microsoft Community
Yuhao L
Microsoft Community Technical Support