If Disk Cleanup is not working properly and does not remove Windows Update files, Temporary files, Windows.old folder, Internet files, etc. do this to fix the issue. Remove Temporary Files manually ...

Temporary files can overstay their welcome and end up lining the stores of your hard drive as junk files. Temporary files range from installation elements left by long deleted programs to system files ...

Although media applications make your business PC more useful, the files they generate -- including photo images, videos and sound clips -- can eventually clog your hard drive. Temporary files created ...