KB974038

Consider the following scenario:

  • You start Windows setup by booting using DVD media.
  • The DVD drive is attached to a storage controller which is supported natively by the drivers supplied with Windows. However, you wish to install third-party drivers for this controller.
  • During Windows Setup, on the page titled “Where do you want to install Windows?”, you choose “Load Driver” to install the third party storage driver. You install a new driver for the storage controller which your DVD drive is attached to.

In this scenario, you may encounter the following error message after starting Windows Setup:

Windows cannot install required files. Make sure all files required for installation are available, and restart the installation.

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