If you had previously enabled Amphetamine to move your cursor during a session, but now find that Amphetamine is failing to move the cursor, follow these steps to fix the issue:

1. Go to   → System Preferences → Security & Privacy → Privacy tab

2. Select Accessibility in the side panel

3. Click the padlock icon to make changes

4. Select Amphetamine in the list (if you don't see Amphetamine move on to step 6)

5. Click the - button to remove Amphetamine from the list

6. Click the + button to select Amphetamine from your /Applications folder and re-add it to the list

7. Quit and relaunch Amphetamine