platform exec: Cannot install appx package exit status 0xffffffff Add-AppxPackage : Deployment failed with HRESULT: 0x800B010A, A certificate chain could not be built to a trusted root authority. error 0x800B010A: The root certificate and all intermediate certificates of the signature in the app package or bundle must be trusted. NOTE: For additional information, look for [ActivityId] f7a1665b-5f78-0000-1b8b-a1f7785fda01 in the Event Log or use the command line Get-AppxLog -ActivityID f7a1665b-5f78-0000-1b8b-a1f7785fda01 At line:1 char:68 + ... Data\Local\Temp\Bandicam-x86.appx";Add-AppxPackage $appx_file;if( -no ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (C:\Users\Admin\...ndicam-x86.appx:String) [Add-AppxPackage], Exception + FullyQualifiedErrorId : DeploymentError,Microsoft.Windows.Appx.PackageManager.Commands.AddAppxPackageCommand