Scenario : The Thread Chart Toolbar for your specific Thread chart still shows Red and Black after the ES e4.5.1 Update
sample image is for Royal.tch
1. Open the Thread Manager
2. Click Manage Button
3. The selected Name from the Thread Chart list will show the problem thread chart
3. Click Delete Button
4. Click Close > OK button
5. Re-Open the Thread Toolbar using your preferred thread chart.