This vid contains complete solutions that helps fix error code 0X80070020 while trying to upgrade yr current system to Windows 10, or update yr Windows Phone, play/run some app for WP, and/or back up your system.
Useful links:
Try this uninstall tool PRO@ https://macpaw.7eer.net/c/376211/2977... if you can't uninstall your security program yourself.
Download & run Media Creation Tool@ http://go.microsoft.com/fwlink/?LinkI...
backup files: https://answers.microsoft.com/en-us/w...
10 Tips before installing Windows 10@ https://answers.microsoft.com/en-us/i...
download official Windows 10 ISO file@ https://www.microsoft.com/en-us/softw...
If U choose to upgrade from previous versions of Windows using Windows 10 ISO file: https://answers.microsoft.com/en-us/i...
Update troubleshooter for Windows 7 & 8 https://support.microsoft.com/en-us/k...
Update troubleshooter for Windows 8.1: http://windows.microsoft.com/en-us/wi...
Troubleshoot common Setup and Stop Errors during Windows 10 Installation: https://answers.microsoft.com/en-us/i...
For Windows Phone users, try: Backup yr data and perform a hard reset later:
a. http://www.pcadvisor.co.uk/how-to/mob...
b. https://support.microsoft.com/en-us/h...
If U met said error when backing up yr system:
https://www.winhelp.us/configure-auto...
http://superuser.com/questions/508932... & * http://www.howtogeek.com/131541/how-t... Learn more?
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• Fix 0x80070002 while updating or backing u... Fix 0x80070002