PNG ICO ICNS MORE
Fugue
exclamation, wrong, Alert
SaddleBrown
16x16
Alert, exclamation, Cash
Soft
exclamation, warning, wrong
128x128
Sports & awards
Pixel
32px Rounded
Error
32x32
Mixed
3D
Momentum Glossy icons
Female, Error, user
Signs & symbols
Smooth
32px Rounded icons
Gloss set: Basic
Error, Female, user
Photography & graphic design
Dark Glass
Disclaimer, notice, Error