If you don't usually review dump files to troubleshoot problems, they are probably wasting valuable space – here's how to delete them on Windows 10.

One reliable open-source tool for securely overwriting and thereby deleting files on a Windows system is the aptly named Eraser. The program can be downloaded for free from various sites.

If you cannot delete the font files and see Font cannot be deleted because it is in use message, take full control of it, and then delete it.