To fix the error(Google play services has stopped) try opening the app info dailog and select"clear cache" if you see that it does not work ,try the "uninstall update" option.
The download and re-installation the latest version of the Google Play Services features
Play Services Updater is used to update Google apps and apps from Google Play. This component provides core functionality like authentication to your Google services, synchronized contacts, access to all the latest user privacy settings, and higher quality, lower-powered location based services.