WIN7 64-bit flagship system update failure prompt error code 80070003 how to resolve

An update failed with a hint to error code 80070003:

　　The specific solution is as follows:

1, first open the Control Panel in the Win7 system, click "System and Security", open the dialog box;

2. In the Open dialog box, click "Administrative Tools"-Double click "Services", find "Windows Update" under the Open dialog box, select Windows Update, click the "Stop" button in the upper-left corner of the interface, or right-click to select "Stop", and then enter as an administrator;

3, then return to open the C disk, and then open the Windows folder,-double-click to open the "softwaredistribution" folder, find the following 2 folders. Open the "datastore" folder, delete all the files inside, back to the previous step, and then open the "Download" folder, delete all the files inside;

4, return to the third step of the operation, select Windows Update, right-click, select "Start", after the above operation, the installation of the update file will be smooth.