The error message "The trust relationship between this workstation and the primary domain failed" typically occurs when the secure channel between a computer and the domain controller is broken. This can happen due to various reasons, such as computer account password mismatch, Active Directory issues, or other network connectivity problems. Here are steps you can take to fix this error:
Solution 1: Rejoin the Computer to the Domain
- Disconnect from the Network: Unplug the network cable or disable Wi-Fi.
- Login Locally: Log in using a local account on the computer.
- Rejoin the Domain: Rejoin the computer to the domain.
- Right-click on "This PC" or "My Computer" -> Properties.
- Click on "Change...