PNG SVG PSD EPS MORE
Signs
Flat
Web interface
signs, forbidden, interface
WhiteSmoke
512x512
Votes and Regards
forbidden, prohibition, signs
User interface
Error, cross, forbidden
Text editor
Close, cancel, ui
Multimedia
User Interface Elements
Multimedia, interface, Error
PNG ICO ICNS MORE
Flavour Extended
Alert, Message, envelop
48x48
warning, wrong, Alert
Alert, Error, exclamation
Dark Glass
exclamation, Alert, Error
128x128
Oxygen
warning, Error, Info
Whatsnext, Calendar, Error
Dialog, wrong, exclamation
Free Web Design
Page, Error, wrong
16x16
exclamation, wrong, Alert
Splashy
window, exclamation, wrong
warning, os x, Error
Crystal Project
paper, document, exclamation
Farm-Fresh Web
White, exclamation, warning
32x32
Silk
exclamation, Alert, wrong
controller, exclamation, warning
Silk Companion 1
warning, Application, Alert
Tango
warning, Alert, exclamation
Fugue
ui, toolbar, Alert
Error, exclamation, wrong