I dont know if this will make it stake but you can try
I don't use .conf file and minting is working very well.
Right..Then I think his wallet is broken. The lock button should not be greyed out. Try downloading wallet again
Connections look right. And the unlock button is grey. It may be due to he didn't set a password yet.
PoS should work. It's strange for me. I have some FAC, but without COMM now. The PoS of FAC works well for me. I'd like to have some COMM also. I will help vote and I can throw my hash power on the COMM multipool when it gets ready.