PNG ICO ICNS MORE
Developer Kit
Error, Alert, exclamation
Black
128x128
Base Software
exclamation, wrong, Alert
256x256
Alert, protect, Guard
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Crystal Clear Actions
wrong, Alert, no access
Error, warning, wrong
Down, fall, download
Phuzion
Alert, Error, wrong
Juicy Fruit
exclamation, Error, wrong
Network
exclamation, Error, warning
GNOME Desktop
climate, severe, Error
64x64
Refresh CL
warning, wrong, Alert
Error, wrong, exclamation
Radium
Error, wrong, Alert
Soft Scraps
button, Error, wrong
Web
Error, world, globe
warning, Error, Alert
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Mixed
Outline
Interface
exclamation, danger, interface
512x512
exclamation mark, exclamation, interface
interface, exclamation, exclamation mark
Holidays
Handdrawn
New Year's Hand Drawn - Basic
point, danger, warning
New Year's Hand Drawn - Sticker
Attention, point, exclamation
Glyph
Free Misc Icon Set 2
Alert, problem, exclamation
UI
ikooni outline: Free Basic
Caution, Error, danger
Social Messaging & Productivity
danger, Attention, Error