Error code 0x80070070 is a Windows 10/11 update error that typically indicates that there is not enough disk space available on the computer to complete a certain task. When this Windows 10 Error Code 0x80070070 occurs, you may see an error message that reads, “Not enough disk space to create the volume shadow copy on the storage location. Make sure that, for all volumes to be backed up, the minimal required disk space for shadow creation is available.”