What should I do if Win8 prompts to stop working?

points in the following two situations:
1, if Windows 8 can start, select the Metro Control Panel application, click “ General & rdquo; select & ldquo; restore the computer without affecting your files & rdquo; option to reinstall Windows and While retaining the data, if you select the “Initialize computer and restart” option, you can restore Windows and delete your data and applications at the same time.
Select Settings

Select More Computer Settings

Select General, and select the repair option as needed.

2, if Windows 8 can not be started, then use the original installation CD to start, select the language and keyboard, click “ repair your computer & rdquo; then select & ldquo; troubleshoot & rdquo;, then you can Reinstall or reset your computer.
Click on the "Advanced" option to see the Windows recovery tool or system image file and the "Automatic Fix" option from the previous restore point to solve common startup problems in Windows.