What should I do if I can't enter the desktop after upgrading the Win8 system?

Previously, many netizens said that they encountered such a problem in the process of using Windows 8. After upgrading the patch, when restarting the computer, it will stay at the start interface of modern and cannot enter the desktop normally. The following small series talks about how to solve this problem.
Methods
1. Press Windows key + L to enter the login interface, click the power button in the lower right corner
2. Press shift+ to restart, enter safe mode
3, point troubleshooting;
4, click Advanced options;
5, click System Restore, continue to the next step
6, select the restore point before the problem occurs, click Next
7, point“Complete” and “Yes> Restore
Although this method can solve this problem temporarily, it does not fundamentally prevent it from appearing again. Therefore, you can turn off automatic updates of Windows and obtain system update patches through security software.