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Error 0x80000001 occurs when you try to launch Halo 5: Forge

You get the following error code when you try to launch Halo 5: Forge:

0x80000001

This means that your CPU is below the minimum specifications to run Halo 5: Forge. You may experience poor performance or stability when running this game.

Make sure that your CPU supports SSE 4.1. For more information, visit your CPU manufacturer's website or contact their support.

Solution

To ensure your CPU supports SSE 4.1, follow these steps:

  1. Go to Start, select Settings, and then select System.
  2. Select About.
  3. Scroll down the list of your PC's specifications to Processor, and identify your PC's CPU.

Compare this with Minimum Specifications to run Halo 5: Forge, and make sure you match or are above this requirement.

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