Because .rar is a proprietary format developed by WinRAR, your computer’s built-in tools might not open it automatically. You’ll need a third-party extractor: The official choice for this format.
Another widely-used tool that can convert or extract these archives easily. What's Probably Inside? Given the "VFC" naming convention, it is common to find: VFC1139.rar
Use a reputable tool like Avast or Trend Micro to check the archive for hidden viruses. Because