Items in Stacks are having no picture

any new item put stacks not displaying picture, black box should b..

heres picture of it.

http://farm4.static.flickr.com/3445/4566190936_25e42bcfa4_o.png

suggestions on how fix? have nvr had problem before. im running 10.6.3 , have had bit now

edit: not new item, pretty every item have checked other stacks

 

i same thing sometimes, i'm guessing it's bug in sl or our machines don't have enough ram handle previews.

 

Forums Macs macOS macOS

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless