After the win10 system rolls back to the win8.1 system, the application of the magnetic stripe is abnormal. The

win10 system rolls back to the win8.1 system. After the application of the magnetic label is abnormal, the solution cannot be opened:
Method 1: If If the tile is abnormal, you can try to reset the tile by following the steps below. 1. Right-click the start menu —— command prompt (admin) —— use the following command cd /d %LocalAppData%\\Microsoft \\Windows\\

2. Keep this "admin: command prompt" window should not be closed, Ctrl+Shift+Esc open task manager —— complete information —— select resource management ——“end the task”;

3, then go back to the "Admin: Command Prompt" window, continue to enter the following command, enter:
del appsfolder .menu.itemdata-ms
Continue to enter the following command, enter:
del appsfolder.menu.itemdata-ms.bak
Method 2: Try win8.1 image repair operation, need to network
1 , press the Windows key + X, select the command prompt (administrator), and then enter The next command (you can also right-click copy and paste):
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
It is the introduction of the solution to the application of the magnetic paste after the win10 is rolled back to the win8.1 system. Before setting up, I suggest you back up the personal data and reinstall the win8.1 system.