WinGetPackage fails when installer produces no stderr (Invoke-Winget.ps1 Get-Content tmp.err.txt)

[RFarnellEq]

Brief description of your issue

Package installs successfully via winget CLI, but fails via
Microsoft.WinGet.DSC/WinGetPackage.

Error:
Invoke-Winget.ps1 attempts to read temp *.err.txt file that was never created,
causing DSC to fail even when installer succeeds.

Expected:
DSC should not assume stderr file exists when process exits 0.

Workaround:
Use Script resource and call winget.exe directly.

Steps to reproduce

Repro:

• Use Microsoft.WinGet.DSC/WinGetPackage
• Install any EXE/MSI bootstrapper (SSMS, VS Code, Terraform, Azure Functions Core Tools)
• Run via winget configure / provisioning context
  e.g.

# yaml-language-server: $schema=https://aka.ms/configuration-dsc-schema/0.2
properties:
  configurationVersion: 0.2.0

  resources:
    # SSMS — install via WinGetPackage
    - resource: Microsoft.WinGet.DSC/WinGetPackage
      id: ssms
      directives:
        description: 'Install SQL Server Management Studio silently'
        securityContext: elevated
      settings:
        id: Microsoft.SQLServerManagementStudio
        source: winget
        ensure: Present
        installMode: silent

• DSC fails with Get-Content PathNotFoundException

Expected behavior

Expected:
DSC should not assume stderr file exists when process exits 0.

Workaround:
Use Script resource and call winget.exe directly.

Actual behavior

Winget log output from Microsoft Dev Box Image definitions build:
[2026-02-23T09:47:52.484131+00:00] PowerShell 7 is already installed
[2026-02-23T09:47:52.491110+00:00] Installing powershell modules in scope: AllUsers
[2026-02-23T09:47:54.142157+00:00] NuGet provider is already installed
[2026-02-23T09:48:04.651119+00:00] Microsoft.Winget.Client is already installed
[2026-02-23T09:48:05.208530+00:00] Microsoft.WinGet.Configuration is already installed
[2026-02-23T09:48:05.209519+00:00] Updating WinGet
[2026-02-23T09:48:05.210467+00:00] Attempting to repair WinGet Package Manager
[2026-02-23T09:48:06.032270+00:00] �[33;1mVERBOSE: Already running on MTA�[0m
[2026-02-23T09:48:06.426594+00:00] �[33;1mVERBOSE: WinGet is in a good state.�[0m
[2026-02-23T09:48:06.515237+00:00] Done Reparing WinGet Package Manager
[2026-02-23T09:48:12.638703+00:00] Running in the provisioning context
[2026-02-23T09:48:12.642436+00:00] Running installation of configuration file: C:\WinGetConfig<ourproject><ourpath>\ImageDefinitions\customizations\common-ui.dsc.yaml
[2026-02-23T09:49:30.616461+00:00] Get-Content : Cannot find path 'C:\Windows\SystemTemp\tmpA12E.tmp.err.txt' because it does not exist.
[2026-02-23T09:49:30.616551+00:00] At C:\Windows\SystemTemp\c3b87e0b-5e47-4130-bdc4-2e2ab07649a0\vo2h05j2.mc5\Invoke-Winget.ps1:398 char:29
[2026-02-23T09:49:30.616553+00:00] + $errorDetails = Get-Content -Path $tempErrFile
[2026-02-23T09:49:30.616572+00:00] + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[2026-02-23T09:49:30.616648+00:00] + CategoryInfo : ObjectNotFound: (C:\Windows\Syst...12E.tmp.err.txt:String) [Get-Content], ItemNotFoundEx
[2026-02-23T09:49:30.616718+00:00] ception
[2026-02-23T09:49:30.616777+00:00] + FullyQualifiedErrorId : PathNotFound,Microsoft.PowerShell.Commands.GetContentCommand
[2026-02-23T09:49:30.616836+00:00]
[2026-02-23T09:49:30.619600+00:00] Failed to run configuration file installation. Exit code: 255 Details:
[2026-02-23T09:49:30.635662+00:00]
[2026-02-23T09:49:30.635960+00:00]

Environment

This is the Winget version that Microsoft Dev Box leverages, as part of the build process.