Mounting a flash drive on Ubuntu 16.04 failed

Question

My flash drive does't work on ubuntu 16.04. The reason is doesn't support 'exfat' file. I ran the:

sudo apt-get install exfat-fuse exfat-utils 

However, it give me:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 linux-image-generic-hwe-16.04 : Depends: linux-image-4.15.0-33-generic but it is not going to be installed
 linux-modules-extra-4.15.0-29-generic : Depends: linux-image-4.15.0-29-generic but it is not going to be installed or
                                                  linux-image-unsigned-4.15.0-29-generic but it is not going to be installed
 linux-modules-extra-4.15.0-33-generic : Depends: linux-image-4.15.0-33-generic but it is not going to be installed or
                                                  linux-image-unsigned-4.15.0-33-generic but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

I tried:

sudo apt-get -f install

but still doesn't work. Does anyone know how to fix this problem?

After execute: apt-cache policy linux-image-generic-hwe-16.04 output:

linux-image-generic-hwe-16.04:
  Installed: 4.15.0.33.55
  Candidate: 4.15.0.33.55
  Version table:
 *** 4.15.0.33.55 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status

Answer 1

I recommend to switch to the Main Server in Software & Updates (software-properties-gtk):

and ensure that you have all updates enabled:

then run sudo apt-get dist-upgrade again.

And finally run:

sudo apt-get install exfat-fuse exfat-utils