Some of them are never fully repaired. Often they are very difficult to replicate let alone cure. Here is one though that has been around for quite a while. Users who trigger the event are usually folks who learned to use the computer by button pushing or memorizing sequences of keyboard and mouse activities. Those who learn file management strategies systematically are usually aware of the error and avoid it.
Net users trying to do file maintenance see the difficulty regularly.
You are surfing the net and during a session create a load of shortcuts on the desktop to websites you want to explore further later. You decide that to keep your desktop from becoming too cluttered you should reorganize, relocating these shortcuts into a single folder so that they are collocated. This is done often when you intend to move copy or delete the new file group. The first step is to set the focus of Windows on the group of files. You point with the mouse to the first file and click once with the left button.