This is most commonly caused by Anti-Virus/Anti-Malware software interfering with your game download/update and blocking a piece from downloading successfully.
Steps to Take:
- Uninstall Dauntless and delete all Dauntless/Phoenix Labs files
- Clean boot your computer to ensure that no background programs are interfering with the installation
- Head to your My Account page and download the patcher
- Install a fresh copy of Dauntless
Still having trouble launching Dauntless? Contact us and we'll help resolve the issue!