We know the bug in Windows 8.1 in certain dialogues (When delete a file/folder, copy…) Exploring a bit I discovered that deleting all icons size 256x256px in imageres.dll (and replace it) the bug go away. But it is exhausting eliminate about 300 icons for any app/soft. Any interested in investigating this error and solved? Another way to fix it's set the display/screen size (dpi) to 200% (maximum) , but it 's all a bit bigger in sight. * Sorry for my english.