ARMORED CORE VI FIRES OF RUBICON – Fix for the Stuttering Issue

Simple fix for the awful performance, until Fromsoft eventually fixes it.

Stuttering Issue Fix


  • Launch your game.
  • Open Task Manager, go to Details tab.
  • Right click on armoredcore6.exe -> Set affinity.
  • Untick all cores except UC 0, press OK.
  • Tab back into the game (it will run like poop, it’s normal).
  • Go back to Set affinity again, tick all cores.

You have to do this everytime you launch the game, but it takes a few seconds.

Access Denied Error

If you have the “Access denied” error, try this:

  • UAC in the search field on your taskbar. (If the search field isn’t visible, right-click the Start button and choose Search).
  • Click Change User Account Control settings in the search results.
  • Then do one of the following: To turn UAC off, drag the slider down to Never notify and click OK.
  • You may be prompted to confirm your selection or enter an administrator password.
  • Reboot your computer for the change to take effect.

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