can't install the Msixbundle due to untrusted certificate

[AthoyeMahmud]

below is my powershell terminal output;

`PS C:\Users\Athoye> add-appxpackage -Path "D:\Packages\RiseMP_v0.0.11.0.msixbundle" add-appxpackage : Deployment failed with HRESULT: 0x800B0109, A certificate chain processed, but terminated in a root
certificate which is not trusted by the trust provider.
error 0x800B0109: The root certificate of the signature in the app package or bundle must be trusted.
NOTE: For additional information, look for [ActivityId] e36ddd5e-d3af-0000-c684-b6e3afd3d701 in the Event Log or use
the command line Get-AppPackageLog -ActivityID e36ddd5e-d3af-0000-c684-b6e3afd3d701
At line:1 char:1

• add-appxpackage -Path "D:\Packages\RiseMP_v0.0.11.0.msixbundle"

•   + CategoryInfo          : NotSpecified: (D:\Packages\RiseMP_v0.0.11.0.msixbundle:String) [Add-AppxPackage], Except
   ion
    + FullyQualifiedErrorId : DeploymentError,Microsoft.Windows.Appx.PackageManager.Commands.AddAppxPackageCommand
  
  

PS C:\Users\Athoye>`

[itsWindows11]

Have you tried following the instructions in readme?

[dlphesigns]

Did you even read the instructions? You need to manually import the certificate in Local Machine, Trusted Users store