When you create a new compressed zip file or rar file, you will notice a small lock icon. This lock icon means that this file is protected from other standard users of this computer.

Follow below steps to remove lock icon from zip / rar files.
- Right click the zipped file and click properties.
- Click Edit button under Security tab.

- Click Add button.

- Enter users and click Ok button.

- Click Apply button on other windows.
- Lock icon will now disappear from the zip / rar file.

Follow same steps to remove lock icon from other folder / files like images, video etc.