ADB server version doesn ' t match this client (40); Killing ... The solution

An error occurred while running the ADB devices command:
ADB server version doesn ' t match this client (40); Killing ...
Could not read OK from ADB Server
* Failed to start daemon
Error:cannot Connect to Daemon workaround: reason: This is the socket port is occupied, I am here because 360 security assistant occupies this port, so the other is not enough.

Uninstall 360 Security Assistant on it, Open 360 security guard, click on the lower right corner of the "More +"-"Click on the" "My Tools"-click on the bottom left corner of the "edit"-click on the "Phone assistant" above the X number, if still not, uninstall 360 security guard.

This time may not be deleted, then it is necessary to remove the mobile phone assistant process, inside the 360Mobile. These, and then you can delete

And then execute the ADB command.

ADB server version doesn ' t match this client (40); Killing ... The solution