I think I have just about tried everything to get my Acer XC 105 to upgrade to either Windows 8.1 or Windows 10.
The error message is always the same: 0x80070004
I have followed a lot of manuals on this issue. Stopped and started services, deleted folders, deleted profiles.
At last I went ahead and put the system back to factory mode.
First the quick way, then the slow way, removing everything from the disk Windows was installed on.
A complete clean install, and still it doesn't work.
Windows 8 is up to date. Maybe some drivers or the BIOS needs updating before the upgrade to work, but I can't find if that is the case. Is there some tool that will take care of that automatically?
Edit: also went as far as switching memory banks.