if disk is able to read rest of the files then disk is good but there is some problem in that files which are not readable. do one thing just try to copy those files and paste it any location and try to open it . if it is unble then sure that those files are corrupt.
When the information is not given on what the problem are there is not a way to know how to handle them. Knowing what the following problems are will allow someone to know how to handle them.
Download the files in a different program. Or "open" it in a different program.
Your disk is not reading few files properly
There is a product available which will properly delete files from a computer. This product is called a Compact Disk Eraser and it permanently wipes computer disks.
Reading and writing files refer to the processes of accessing and manipulating data stored in files on a computer. Reading a file involves retrieving its content so that it can be processed or displayed, while writing a file means saving data to a file, either by creating a new one or updating an existing one. These operations are fundamental for data storage, retrieval, and management in various applications. They typically involve using programming languages or software tools that provide functions to handle file operations efficiently.
Possible.
Encrypting Files System (EFS)
It is undefined format in which downloaded file is corrupted or not properly downloaded.
For your book files, you should choose a program to open your files. On Mac as iBooks is a built-in reading app, I recommend you iBooks. Maybe you can have a look at reading epub on Mac.
Files can be sharpened effectively by using a file card to clean out debris and a file brush to remove any remaining particles. Then, the file can be placed in a vise and a file jointer can be used to ensure the teeth are aligned properly. Finally, a file handle can be used for better grip and control while sharpening.
Windows has a Search my Files Utility that will help you find your duplicate files in a special search mode that allows finding duplicate files when in Duplicate Search Mode.
They are the files that your computer call on to start up, or "boot." without these, the computer cannot function properly.