According to Microsoft, a corrupt file is any file that will not work properly. Most often, you will discover a file is corrupt when you, or a program you are running, try to use the file and get an error. To find missing or corrupt files before they cause a problem you will need to check your disk. You should check your disk regularly and especially after any system crashes, errors or sudden power losses. There are two utilities built in to Windows for this purpose: the disc error checker and system file checker. Tips Writer Bio

How to Check for Missing or Corrupted Files - 6