One way to reset your ability to delete system files is by rebooting your computer in Safe mode. Restart the computer, and tap the F8 key before Windows loads. Try to delete the file again. How to ...

When you click Delete Files, Disk Cleanup will go to work cleaning up all the files in the categories you selected, as shown in Figure F. Figure F Disk Cleanup will remove any unnecessary files.

More good news: you can also securely delete individual files. In this article we’ll look at open source software options for securely wiping hard disks, and secure file deletion. Delete Files and ...

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.