C:\Users\[Your Username]\AppData\Local\Microsoft\Windows\Explorer Delete the icon cache files: Look for files named iconcache.db or thumbcache*.db. Select and delete these files. Restart your computer ...
But not all backpacks are suitable for work. Obviously, at a bare minimum, it has to be big enough to fit a laptop, lunch, wallet, phone — but slender enough that you aren't going to take someone out ...