I've gotten to the point were i'm seriously very annoyed. I record with OBS, 60 FPS and 1080p60 HD, and wnd when I upload it on Camtasia, it lags so much, it's impossible to use. I don't just want to use camtasia to record, but if thats the only rout, so be it.
Sups Yuna. Can you go to your task manager and choose the "Details" tab? When you get there right click on Camtasia and choose the option "set affinity." (Camtasia has to be running to see it in the task manager Details tab) Can you tell me how many cpu core processors that pops up? I have had terrible times having to re-record everything because Camtasia was screwing up. I have a total of 8 cores (to put it simple anyway). For me, I had to limit Camtasia to only 2 cores. I then set its priority to real time. (do not ever do so without first limiting Camtasia to use only certain cores or ur pc will suffer terribly). That's how I fixed my problem with this.