OSX Lion Preview slow to start

If you as me is running OSX Lion, and find that Preview is incredible slow to start, and for some reason it also load all the previous seen files, well then welcome to the new "Resume" feature which Apple have introduced.

I like it for some programs, but with Preview it slowed it down so much that making a cup of Tea comes into mind.

One way is to switch off the whole "Resume" feature, or just for a single program;


  • open terminal

  • defaults write <preference file> NSQuitAlwaysKeepsWindows -bool false




Or via the System Preferences -> General -> "Restore windows when quitting and re-opening apps" remove the check mark.

So to switch that feature off for Preview :


  • open terminal

  • defaults write com.apple.Preview NSQuitAlwaysKeepsWindows -bool false



To switch it off for the whole system:

  • open terminal

  • defaults write NSGlobalDomain NSQuitAlwaysKeepsWindows -bool false

Comments

Dan said…
Great solution, this slow start had me feeling like a sad mac...now a happy mac, thanks!
February 10, 2012 at 1:25 AM
paolo battino said…
thank you so much! it worked!
I was so pissed off with this slowdown
February 27, 2012 at 3:20 PM
Cookie Monster said…
Holy f*ck !!! Now I feel I have a brand new computer !!! Thanks !!!
March 31, 2012 at 5:03 PM
Wendy said…
holy crap!!! thanks so much! I was looking for a long time to see if anyone had a solution :D :D
April 18, 2012 at 4:39 AM
Diego said…
THANK YOU SO MUCH!!!
May 10, 2012 at 6:27 AM
Natalie said…
This was exactly what I needed! I hated this feature anyway! If I wanted something open, I'd open it! :P
May 19, 2012 at 7:36 AM
Shez said…
Hi, another solution: don't quit Preview

If you quit preview while using it (using CMD-Q), the app takes *a long time* to startup the next time you need it.

Instead, just close the window of the document and go do something else. Preview will appear to quit once it loses focus. But I think it's still there, hogging memory, because it's quick to use the next time.
June 11, 2012 at 9:50 PM
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