17.04 - Can't install downloaded .deb files from Ubuntu Software

When I double click the .deb file it opens up in the Ubuntu Software app.

However, clicking the "Install" button doesn't do anything - no popups or errors, like I didn't even click it.

I can install the packages from the terminal by running

sudo dpkg -i *package_name*
sudo apt-get install -f

But I'd like to have my Ubuntu Software fixed. Any ideas?


Use gdebi to install packages. How to install:

sudo apt install gdebi

Solved the problem for me.