Windows cannot install required files on Windows 7 error. This video was created to help you fix the Windows cannot install required files error on windows 7 or any OS before you purchase a new hard drive.
**** If after removing one of the memory stick or replacing the memory if you only have one installed. If you still get a windows error you might need to replace the hard drive. Also, in some cases the dvd might be bad as well. try another one or create a bootable USB drive.