Microsoft-windows-netfx3-ondemand-package.cab Download (Trusted × REPORT)

A: Not necessary, but you can disable it via Turn Windows features on or off → uncheck .NET Framework 3.5.

  • Open File Explorer and note the new drive letter (e.g., D:).
  • Navigate to:
    D:\sources\sxs\
  • Look for:
    microsoft-windows-netfx3-ondemand-package.cab

    • ⚠️ Do not download CAB files from third-party sites — they can be modified, outdated, or contain malware. Microsoft-windows-netfx3-ondemand-package.cab Download

    A: If downloaded from Microsoft, it is a false positive. Some aggressive antivirus software marks CAB files as suspicious because they contain executable code. Upload the file to VirusTotal; legitimate ones will have zero detections from major vendors. A: Not necessary, but you can disable it

    This is the only safe method to obtain the .cab file manually. Open File Explorer and note the new drive letter (e

    Step 1: Download the Windows ISO

    Step 2: Locate the CAB File

    Cause: You typed the wrong file name or extension. Windows hides known extensions by default. Solution: Open File Explorer, go to View > Show > File name extensions. Verify your file is actually .cab, not .cab.zip or .cab (1).