Windows 10: fix error 0x80070643 - heres how

If it is not possible to install a newer update, stop the update service manually.

1. Open the Command Prompt with administrative privileges .
2. Enter the command " net stop wuauserv " (without the quotes) and confirm with [Enter] . How to stop the Windows update service.
3. Navigate to the following folders and delete all contents in C:WindowsTemp and C:WindowsSoftwareDistribution .
4. Start the " Run " dialog and open the path " %UserProfile%AppDataLocalTemp " (without the quotes).
5. Again, delete all contents of the folder.
6. Switch back to the command prompt and start the update service again with the command " net start wuauserv " (without the quotes).
7. After a reboot, you should be able to check for Windows updates.

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