PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
prohibition, danger, reject
Firebrick
16x16
Error
Tomato
danger, wind, Gesture
Salmon
Sports & awards
32px Rounded
SaddleBrown
32x32
PNG MORE
UI
Windows 8 Pack (Metro Style)
DarkSlateGray
26x26
Mixed
Koloria icons pack
base, Error, utilize
21x21
base, Error, formula1
30x30
Gloss set: Basic
Error, bookmarks
Silver
Error, Calendar
Khaki
document, Error
DarkGray
Folder, Closed, Error
Peru
Folder, Error, open
Goldenrod
list, Error
LightSlateGray
Notebook, Error
Print, Error
Error, Rss
Error, save
DarkSlateBlue
table, Error
SteelBlue
trashcan, Full, Error
Error, Female, user
male, user, Error
Error, bookmark
LightGray
date, Calendar, Error
LightCoral