apt - Stuck removing linux-image-extra-4.10.0-19-generic

My Ubuntu 17.04 install recently to 4.10.0-21-generic and I was prompted to remove theh 4.10.0-19 kernel. However after running sudo apt autoremove it hangs on this step:

Removing linux-image-extra-4.10.0-19-generic (4.10.0-19.21) ...                                                                                                                                                                 
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic                                                                                                                  
run-parts: executing /etc/kernel/postinst.d/dkms 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic 

Any ideas? I'm unable to install any other packages/update packages as it always tries to remove this to no avail.

Any pointers will be much appreciated.

Output from: dkms status

bbswitch, 0.8, 4.10.0-19-generic, x86_64: installed
bbswitch, 0.8, 4.10.0-20-generic, x86_64: installed
bbswitch, 0.8, 4.10.0-21-generic, x86_64: installed

nvidia-375, 375.66, 4.10.0-20-generic, x86_64: installed
nvidia-375, 375.66, 4.10.0-21-generic, x86_64: installed

Output from ls -l /var/lib/dpkg/info/linux-image-4.10.0-19-generic*

-rw-r--r-- 1 root root  82412 Apr 15 19:19 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.list
-rw-r--r-- 1 root root 101208 Apr  6 18:28 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.md5sums
-rwxr-xr-x 1 root root  40128 Apr  6 18:28 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.postinst
-rwxr-xr-x 1 root root  13691 Apr  6 18:28 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.postrm

-rwxr-xr-x 1 root root  11545 Apr  6 18:28 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.preinst
-rwxr-xr-x 1 root root  11356 Apr  6 18:28 /var/lib/dpkg/info/linux-image-4.10.0-19-generic.prerm