When I try drawing I always need to right click or just click on something else to see what i did. I already tried to uninstall and install it again, but the problem was still there. I hope you can help me.

You're experiencing a bug in the Intel display driver. Your driver is probably outdated, so you should first try to update it from Intel's website: https://downloadcenter.intel.com/ . If that fails, you can only disable opengl in krita/settings/configure krita/display.

See:
https://docs.krita.org/KritaFAQ#Krita_s ... _Intel_GPU