PNG MORE
Business & finance
Glyph
24x24 Free Application Icons
Error, sign, Blocked
Red
24x24
PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
prohibition, danger, reject
Firebrick
16x16
danger, wind, Gesture
Salmon
PNG ICO ICNS SVG MORE
UI
Smooth
Snipicons
sign, exclamation
DodgerBlue
512x512
Files & folders
ExplodingBoy Pixel Icons
exclamation
Coral
20x20
CornflowerBlue
PowderBlue
LightGray
Free Mobile Icon Kit
Black
64x64
Signs & symbols
3D
Free 3d Glossy Interface Icon Set
Attention, Error, cautious
warning, danger, Alert
Prompt, danger, exclamation
Message, help, Prompt
OrangeRed
Prompt, help, danger
Mixed
Outline
Eightyshades
Computer & hardware
Keyboard keys
Gainsboro
128x128
Super Mono Basic
exclamation, green, Basic
48x48
Basic, exclamation, frame
DarkKhaki
YellowGreen
Basic, diamond, green
red, exclamation, Basic
exclamation, Basic, frame
Crimson
