This is what they reply :
Thank you for contacting Microsoft Corporation via the Better Business Bureau regarding your Windows 10 update issue. Unfortunately, after reviewing your complaint we will not be able to provide compensation as use of Windows 10 is at your own risk as outlined by our Services Agreement. You bear the entire risk of using the services.
If you would like to take advantage of our technical support, you may visit support.microsoft.com or call our tech support at 800-642-7676 for assistance.
Microsoft now considers this case closed and will no longer be responding.
Please refer to the snipped quotes below from the Microsoft Services Agreement, Section 9, part (g), Section 12, Section 7, part (b) and the Windows 10 License Terms, Section 6:
“We reserve the right to issue refunds or credits at our sole discretion.”
“You understand that use of the services is at your own risk and that we provide the services on an ‘as is’ basis ‘with all faults’ and ‘as available’. You bear the entire risk of using the services.”
“Sometimes you’ll need software updates to keep using the Services. We may automatically check your version of the software and download software updates or configuration changes. You may also be required to update the software to continue using the Services.”
“The software periodically checks for system and app updates, and downloads and installs them for you. You may obtain updates only from Microsoft or authorized sources, and Microsoft may need to update your system to provide you with those updates. By accepting this agreement, you agree to receive these types of automatic updates without any additional notice.”
(microsoft.com/servicesagreement)
(microsoft.com/Useterms/OEM/Windows/10/UseTerms_OEM_Windows_10_English.htm)
Sincerely,
Microsoft Corporation