Error code: 0x80070070 error comes when installing windows from usb flash disc 4GB not tryed with DVD-Disc cuz dont have it says: Windows cannot copy files required for installation. make sure all files required for installation are available, and restart the installation. Error code: 0x80070070
Is this a fresh install you are trying to do there? If its not, and you have an existing OS on the partition you are trying to install - that just might be the issue. You may try backing up any data you don't want losing and then obliterate your old partition. Create a new one and give the installation another go
If you are using an autounattend.xml or unattend.xml remove all the answers from the diskconfiguration section, and set <WillShowUI>Always</WillShowUI>... On mine, it would create a 100mb system partition, and it works fine from a DVD/CD, but not from usb... If I try to skip the system partition setup fails and restarts.... So I hope my week of vista torture can help you out!!