Often on smartphones with Android on board problems with downloading and updating apps from Google Play. Nothing is loaded and is not updated, the scale load is, but nothing happens. Sometimes he writes "failed to boot," or something like that. Most often, this problem izlichima, and now we tell you how. If you stop the update and run it according to the new nothing helps - you've come to the correct instructions:
Often, simply remove the update Google Play + data and cache.
To roll back the version of Market need to go to Settings - Applications - Manage Applications, find the application Google Play Market or something like that, in the opened by tap on the application window, click Uninstall updates. To be sure, you can also clear the cache and delete the data.