Strange Windows 7 installation error

Get up this morning, sister called, a friend of hers appeared when installing genuine Windows
7: <;Windows
cannot copy files required For installation. The files may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0x80070241”

Seeing this error, the first reaction is that there is a problem with the installation CD, but the sister said that the disk is genuine. Therefore, it is suspected that the optical drive has poor readability or bad sectors on the hard disk. However, I have not seen the machine itself, and I dare not assert it. I just recommend doing this.

Later sister said that it was installed, and other regions could be installed normally ……

This question is really eye-opening, what happened? Is there a problem with the language pack? It doesn't make sense, ……