Codex tasks are running and will not stop

Codex
1

The image shows a task management interface with several tasks labeled "Codex task" dated June 10, and control buttons next to each task. (Captioned by AI)
The image shows a task management interface with several tasks labeled "Codex task" dated June 10, and control buttons next to each task. (Captioned by AI)1924×642 41.9 KB

i started these and they failed but won’t show as stopped, cant’ be stopped from the interface and won’t let me do anything else while they are running, how do i fix this?