I run my Ubuntu in a VMWare virtual machine that is hosted by Win10. Vmware tools is installed.
I can't copy from notepad in Windows and paste into Ubuntu applications. Vice versa works fine. The virtual machine settings for copy/paste - enabled:
How to enable copy from Windows 10 and paste to Ubuntu.
Feels like I found an answer (I used it for 17.10 )
In the terminal window execute this command to remove any previously installed tools:
and after that execute this command to add tools:
and a final thing: do not forget to reboot.
It worked very well for me!