If you see Windows cannot install required files with error code 0x800701B1, there may be a software or hardware issue. Here are the fixes.

The ability to install or reinstall Windows is important when formatting a new hard drive or fixing a corrupt operating system. When the message "Windows cannot open the required file D:\Sources ...

Fix Error code: 0x80070001, Windows cannot install required files. Make sure all files required for the installation are available.