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Desktop apps
Outline
Minicons
Alert, Prompt, Attention
Black
512x512
Confirmation, Box, Alert
Alert, White, warning
Attention, Box, Confirmation
warning, Alert, Dialog
Dialog, Prompt, Box
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Glyph
16x16 Free Toolbar Icons
nell, Alert, time
LightCyan
16x16
problem, warn, danger
Gold
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3D
Free Applications Icons
Hand, Block, stop
Red
24x24
Message, Attention, exclamation
OrangeRed
Alert, exclamation, General
Tomato
Alert, hanger, warning
warning, ban, Block
danger, Message, Attention
Goldenrod
Pixel
Diagona Icons
Attention, Alert, exclamation
DarkGoldenrod
Splashyfish
Error, Attention, exclamation
triangle, Attention, warning
Orange