Registers wrong temp for cpu and coolant (H150i elite lcd)

[Buseje]

When I download the software and start using it, it registers the wrong temperature on both cpu and coolant. (I have a H150i lcd). This also occurs when I have just started the PC, then it rises to approx. 95 degrees celsius for the cpu and 65 - 75 degrees celsius for the coolant within a couple of minutes. It also causes the fans to go up to max and won't calm down. The air coming out of the radiator is freezing cold, to the point where I'm freezing. When I haven't downloaded icue, the fans behave normally and the lcd shows normal temperature (at least as far as I can tell). When I check the cpu temp in the bios, it shows approx. 30+ degrees, while icue goes haywire. I have tried to download the software 3-4 times and this happens every time. I have also formatted the PC. After it has been running icue for a while, the rest of the system also starts to be laggy. Any tips? I really want to be able to have icue installed, as I have invested some money in rgb.