(This screenshot if found in internet to illustrate what i am talking about)
This rows selected via Ctrl + Click
This is row on hover.
This row selected via keyboard. Look at "Edit, Remove, Properties" toolbar. File is selected but row no have a dotted border.
I test this for all versions (5.1.7, 5.2.4b, 4.4) and for all version have same problem.
I tried change Windows color theme but problem persists. On my laptop is no such problem.