Win8 upgrade win10 system when prompted to upgrade the two failures of the solution

such as win8 upgrade win10 system prompts "Upgrade update failed", resulting in upgrade failure, resulting in win8 upgrade win10 system prompts "Upgrade update failed" reason There are many kinds, how to solve it? The following small series brings two solutions to the failure of the upgrade update when win8 upgrade win10 system.
Solution 1:
1. Click the "Start” button, type “command prompt> in the search box, right click on “command prompt”,click “Run as administrator>;
2, in the “Command Prompt” box, first enter: net stop wuauserv Press Enter to open my computer and drive C:\\Windows\\SoftwareDistribution Download and DataStore delete
3, after the deletion is completed, enter in the command prompt box: net start wuauserv press the Enter key;

Solution 2:
1, still in the "Order" command In the prompt (admin) & rdquo; box: netsh int ip reset press Enter;


2, input: SFC /SCANNOW Press Enter; (detect and repair all received Damaged or missing system files)
3. Run in the command prompt:
REGSVR32 C:\\Windows\\system32\\cryptdlg.dll
REGSVR32 C:\\Windows\\system32\\dssenh.dll< Br>REGSVR32 C:\\Windows\\system32\\gpkcsp.dll
REGSVR32 C:\\Windows\\system32\\initpki.dll< Br>REGSVR32 C:\\Windows\\system32\\mssip32.dll
REGSVR32 C:\\Windows\\system32\ saenh.dll
REGSVR32 C:\\Windows\\system32\\sccbase.dll
REGSVR32 C:\\Windows\\ System32\\slbcsp.dll
REGSVR32 C:\\Windows\\system32\\softpub.dll
REGSVR32 C:\\Windows\\system32\\wintrust.dll
After registering, restart your computer to start the update.
Related reading:
Win10 system home version upgrade professional version failure tips can not upgrade your Windows failure reasons and solutions
Win7 upgrade Win10 system failure error code 0x8007002c-0x4000D solution
It is the introduction of the two solutions to the failure of the upgrade and update of Win8 when Win8 is upgraded. If you encounter the same problem, you can refer to the content of this tutorial.