Why is this lock icon at the folder icon?

Why at some hard disk(Mostly external) at some not all folder show this icon??
And how i can remove this lock icon at the folder icon?

If there is a way i don't want to see that locked icon anywhere.

fits79 said:

Why at some hard disk(Mostly external) at some not all folder show this icon??
And how i can remove this lock icon at the folder icon?

If there is a way i don't want to see that locked icon anywhere.

See if this helps.....

How-To Geek said:

If you’ve been playing around with folder sharing or security options, then you might have ended up with an unsightly lock icon on a folder. We’ll show you how to get rid of that icon without over-sharing it.

The lock icon in Windows indicates that the file or folder can only be accessed by you, and not any other user on your computer. If this is desired, then the lock icon is a good way to ensure that those settings are in place. If this isn’t your intention, then it’s an eyesore.

To remove the lock icon, we have to change the security settings on the folder to allow the Users group to, at the very least, read from the folder.

Remove the Lock Icon from a Folder in Windows 7, 8, or 10

It help for these specific folders.

Isn't there any permanent solution so don't show this lock icon never again???

Have a look at this tutorial on the site that explains why the icon is there and if you still don't find it useful, it has instructions for hiding it completely:

Lock Icon on Files and Folders - Remove in Windows 7

Bree said:

How-To Geek said:

To remove the lock icon, we have to change the security settings on the folder to allow the Users group to, at the very least, read from the folder.

This is the single worst advice we can have on the topic. Trashing permissions for the sake of hiding the icon is not the way to go. The suggested approach effectively removes the icon, but makes the file publicly accessible, which may not be intended and certainly has security consequences. Look at the linked tutorial above for the proper solution to get the icon out of sight.