PNG ICO ICNS MORE
Photography & graphic design
3D
32x32 Free Design Icons
cross, red, cancel
Black
32x32
cancel
Salmon
Close, cancel, Exit
Firebrick
no entry, no, cancel
Signs & symbols
Free 3d Glossy Interface Icon Set
glossy, forbid, sign
Gainsboro
64x64
sign, Pause, Control
OrangeRed
Hand, warning, Abort
cancel, wrong, Error
UI
Momentum Matte icons
IndianRed
Mixed
Momentum Glossy icons
Red
Computer & hardware
FS Icons Ubuntu
save, gtk, cancel
512x512
Gloss Basic Icons
PNG MORE
Crystal Office Collection
24, cancel
24x24
Arrows
Orb
remove, Error, delete
LightGray
128x128
Vista Style Base Software
cancel, red
256x256
The Spherical icon set
red, delete, cancel
Maroon
red, Error, cancel
Must Have
approve, cancel, delete
delete, save, Edit
Snow
Desktop apps
Free Applications Icons
Hand, Block, stop
no entry, unable, Exit
stop sign, cancel, Halt
warning, ban, Block
Iconza
PaleVioletRed