After upgrading Win8.1, "Your windows 8.1 installation can not be completed" how to do

Upgrade Win8.1 through the app store. After a period of update, an error occurs. "Your Windows 8.1 installation could not be completed", there is no error code. Click “try again” can't continue to update, you must go back to the app store, click again to download the update.

Cause analysis: This problem usually occurs when downloading or starting the installation. . Solution:

First confirm that the app in the Download Store and the Windows AutoUpdate feature are working.

1. Press the windows key +X on the keyboard, click on the pop-up menu < command prompt (admin) & rdquo;;

2. At the command prompt window Enter “wsreset” and press the ENTER key on the keyboard;

3. The app store will be opened and prompt “ the app store's cache has been cleared. You can now browse the app in the app store ";

4. Go back to the app store homepage and download Windows 8.1 again.