# Dev Error (6456, 6067, 6068)

* Disable ALL overlays (Discord, Geforce, Medal, Radeon, etc)
* Disable Secure Boot
* Ensure your game is either in Fullscreen Windowed or Windowed
* Uninstall all [Visual C++ Redistributables](https://ct0-1.gitbook.io/ct-guides/common-issues/broken-reference) and reinstall them
* Stay tabbed into the game throughout injection (focused)
* Inject at the character walking screen, not the main menu (you may try injecting at the main menu if the character walking screen does not work)
* Be sure all of the [step-by-step guide](https://ct0-1.gitbook.io/ct-guides/common-issues/broken-reference) has been followed.
