The amount of latency changes with each recording

Hello, I’ve had trouble with latency on audacity. I never use to have this issue but all of a sudden I do. I’ve tried the method of syncing up tracks through my headphones and adjusting the compensation based on the difference, but the latency changes every single time. First it was under by nearly 400 ms, then it was +60, then -80, and I’m very frustrated. It doesn’t make any sense and I’ve been screwing with it for the past 45 minutes. Someone please help before I lose my mind.

Try quitting all other applications.