: Because PD Runner requires high-level system permissions (Accessibility and Full Disk Access), only download it from verified, open-source GitHub forks. Avoid random third-party blogs that bundle malware into the .dmg file.

Open the Terminal app and run the following command to manually enable the helper: sudo launchctl enable system/com.lihaoyun6.PD-Runner-Helper Then, restart PD Runner. 2. "Damaged Computer" Message