Privet, it appears you do not have kernel sources installed to match your kernel. Please install the corresponding linux-headers-4.4.0-63* packages. I do not know if the nvidia drivers are intended to work with the HWE kernels, so this may not be enough.
Privet, it appears you do not have kernel sources installed to match your kernel. Please install the corresponding linux-headers- 4.4.0-63* packages. I do not know if the nvidia drivers are intended to work with the HWE kernels, so this may not be enough.
Thanks