OS up to date as of 18/9/18
If you remove programs via Recommend Software, the options to use it are still left in 'Choose Application'
(Right click on a file, select Open With...)
Of course it just does nothing (not even an error message).
Found out by
I needed to open a .c file, so I selected Geany via the Open With... & Choose Application.
It didn't work.
So I checked recommend and I had previously removed it.
These options need to be removed from the open with on uninstall.
(I couldn't find the GitHub quickly, sorry).