Delete the temporary update files:
1) Press the Windows and R keys, open operation, an input services.msc
2) find WindowsUpdate service item, right click and choose Disable.
3) Open the c: \ windows \ SoftwareDistribution, delete all files datastore and Download folder, and then rename the SoftwareDistribution folder SoftwareDistribution.old.
4) The steps 1 and 2 WindowsUpdate service opening.
2, open the computer -C drive, find Windows10upgradeApp.exe file Windows10upgrade folder, deleted, if not find this Windows10upgrade folder, Folder Options - View - Show Hidden Files folder; then to the C drive, delete Windows10upgrade this folder also contains the above files Windows10upgradeApp.exe files.