Erase overwrites every single track on the hard drive, so it would be difficult to find old deleted files on your hard drive.

Sometimes you may need to delete something that shouldn't be on your hard drive and nobody can see it. Eraser will help you to keep your privacy.

Well, you don't need to, but should to. Although you can still run this as a normal or restricted user, however, some files may not be deleted.

We're talking about deleted files in the recycle bin, temporary internet files, memory dumps, Checkdisk fragments, Windows log files.

The use your disk space, make your PC work slower.

Cookies are small, usually randomly encoded, text files that help your browser navigate through a particular website. The cookie file is generated by the site you're browsing and is accepted and processed by your computer's browser software. The cookie file is stored in your browser's folder or subfolder.

They are not free from controversy. Cookies can be used to track your browser's website browsing history. Eraser deletes traces of your online activities.

The Registry is the central hierarchical database used in Microsoft Windows operating systems to store information necessary to configure the system for one or more users, applications and hardware devices.

When you install a program, new registry values will be created. These records should be automatically deleted when you uninstall the software. But sometimes, you will find that some applications fail to remove their own registry records. Windows Registry begins to hold data that are invalid. This invalid data eventually accumulates in the Registry, slowing Windows down, compromising PC performance and causing other problems. So, to keep your computer in top performance, it is recommended that you periodically clean your Windows registry.

Sometimes standart windows tool can't delete installed program. Eraser is able to unistall even crashed or corrupted software.