First thing that comes to mind is memory.  Is there enough system memory (or 
are you swapping) and is QS using a lot (say something large on the clipboard)?

Howard

On Jun 14, 2010, at 4:12 PM, sclough wrote:

> Yea, I'd love to know if there's anything that can be done to help
> it...
> 
> On Jun 14, 1:35 am, huiii <[email protected]> wrote:
>> i got the same problem since snow leopard, and the same question...
>> 
>> On Jun 13, 4:28 pm, sclough <[email protected]> wrote:
>> 
>> 
>> 
>>> I've noticed periodically when I invoke QS, that there seems to be a
>>> hesitation for a few seconds before it responds to my input. The
>>> command window comes up, but it just doesn't respond. For example, if
>>> I'm activating an application I can invoke QS, type in the characters
>>> needed, and hit enter to active the app before QS even displays that
>>> app in the UI. Since QS has learned what I want, I just type and go
>>> even though I'm not getting any visual feedback. When I do this it
>>> seems like there's a pause when I hit enter as QS updates the UI to
>>> display the icon that matches what I typed before it actually launches
>>> or actives it. Hopefully this makes sense. Anyway, I'm wondering if
>>> there's anything that can be done to help this? I've thought about
>>> trying to replace my catalog entirely with spotlight sources in case
>>> refreshing the catalog is the issue, although I would assume that's
>>> something done in the background that shouldn't affect the ui. I can't
>>> think of much else that I could tweak beyond reducing the number of
>>> catalog items, but my catalog isn't massive (probably around 1,500
>>> items including address book, files, and everything). Any ideas about
>>> what's causing this and what I could do to improve performance?

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