android studio adb server version (41) doesn't match this client (39); killing

android studio adb server version (41) doesn't match this client (39); killing

echo "alias adb='~/Android/Sdk/platform-tools/adb'" >> ~/.bash_aliases && source ~/.bash_aliases

echo "alias fastboot='~/Android/Sdk/platform-tools/fastboot'" >> ~/.bash_aliases && source ~/.bash_aliases

How to Update or Re-Install the newest version of ADB?Ask Ubuntu