In windows vista and 7, many files possess a HD icon.
In v1.17 I introduced a new feature that allow the user to retrieve this icon.
Drag a file from your desktop into the IconSeeker while holding "ctrl" will get the HD icon instead of the normal one.
But for files that doesn't possess a HD icon, this has a side effect.
It will return a blank HD icon with, on it's top left corner the low quality icon.
I haven't found how to correctly get the low icon when the HD icon is missing yet.
So this is the reason for it to be advance user only.