PNG SVG PSD EPS MORE
Signs
Flat
Web interface
signs, forbidden, interface
WhiteSmoke
512x512
other
Holiday
cross, Dead, halloween
Votes and Regards
forbidden, prohibition, signs
User interface
Error, cross, forbidden
Text editor
Close, cancel, ui
PNG ICO ICNS MORE
Pixel UI
cross
16x16
PNG ICO MORE
Aroma
cross, Key
24x24
Eloquence!
button, cross, Alt
32x32
Gnome 2.18 Icon Theme
cross, reference, insert
Desktop apps
Smooth
Farm-fresh
red, flag, cross
PNG MORE
Computer & hardware
Crystal Project
reference, cross, stock
cross, stock, insert
UI
Pixel
Gnome icons
insert, cross, reference
Mini
Page, cross