Services needed for KMS activation -Solved-

I activated Windows 8 trough a KMS server. Then I modded my system disabling many services.
Now I have the watermark with the keys on my screen and activation is impossible.
Do someone knows which services are needed to keep the activation ?
I enclose my services status for clarity.

 

This is not an answer.

 

Thanks a lot, you're right.
And BTW I do know what most of the windows services goes for.