1) Click on the "Settings" icon on the Home screen
2) scroll to the "Device" section on the left of the page and click on "Applications"
3) at the top right of the page are four tabs: "download", "DISK ROM", "Running" and "ALL"
4) Click "All"
5) to scroll through the list and find "Google Services Framework", then click
6) on this page, click on "Force Stop" and then clicking on "Clear Data"
7) off the tablet by pressing the power button for several seconds, then restart it.
thank you