To install Win7 system error code 0X800700B7 solution
1, change the settings, display the system's hidden files and folders. Left-click: Explorer-Organization-folder and search options-view, find: Show hidden files, folders, and drives, and click on the left button to select, then click: Application-OK;
2, add a group or user name: System, or modify system permissions. Turn on computer-C disk-user-gong-appdata-local-temp;
3. Right-click: Temp-Properties-security;
4, we click on the Temp Property Security window: Edit; Click on the pop-up window: add;
5, then pop-up Select the User or group window, we enter the object name to select (E) column input: SYSTEM, and then click: OK.
6, back to the Temp Properties window, select: System, in the system's permission (P) column Full Control and modify the Allow small box click on Tick, then click: Application-OK;
7, return to the Temp property of the Safe window and then click: OK. Restart the computer, and then install the Windows 7 system.