What is "Quick Look Helper" and why does it suck so bad? - ehMac.ca
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Old Jun 15th, 2010, 12:45 PM   #1
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What is "Quick Look Helper" and why does it suck so bad?

Hello all
A co-worker and I both were upgraded to new iMac 2.8 GHz Intel Core i7 machines running 10.6.3 and we are both experiencing the same problem.
At random points in the day, we get massive slowdowns and beachballing, making it impossible to work. We originally thought it had to do with some of the apps we are using or the network, so I decided to use Activity Monitor to try to see what the source of this problem was.
As it turns out, when these slowdowns occur, I see Quick Look Helper more-than-maxing out the CPU usage, real memory and virtual memory.
I've googled this issue and found quite a few people who are having the same problem, but no real indication on how to fix it. So far the only way to fight it is to select Quick Look Helper in Activity Monitor and quit it when it starts acting up.
Has anyone here had this problem, and have a good way to fix it?
Can Quick Look Helper be turned off?
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Old Jun 15th, 2010, 01:27 PM   #2
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Take a look here: Apple - Support - Discussions - Quick Look helper crashing in SL ....
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Old Jun 15th, 2010, 02:17 PM   #3
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That seems to be a whole bunch of users with similar problems, but no clear-cut solutions.
Mine does not seem to be crashing anything or generating any error messages, it just causes everything to grind to a halt.
My "Show Icon Preview" was not turned on anyway, and I don't have Perian. I'll maybe try repairing permissions.
Thanks for the link.

Any other suggestions?
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Old Jun 15th, 2010, 04:07 PM   #4
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You could also try reinstalling Snow Leopard; painless procedure that keeps your data intact, considering it appears to be an OS-related problem.
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Old Feb 5th, 2011, 08:15 AM   #5
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Had the same problem. Everyone says that the Macbook is very hot and that's normal. In addition, residing in Brazil, did not notice changes. When my brother was watching it, recommended me to use an application like iStat to control the fans, as they were running too. I installed the application and saw (horror) that they were around 6000 rpm and the CPU occupancy accused of almost 100%, extremely hot. Plus, the monoblock simply deformed by the heat and, of course, the logic board and other components were compromised.
I took my Macbook several times to the technical (iPlace) and exchanged parts. But the problem continued.
Dozens of phone calls to Apple and no solution.
In iPlace recommended to me to be a beta-tester (?) and find the cause of the problem (because they did not know what caused it, after all Macs never give trouble).
Weeks later, conclusion: Quicklook Helper. Part of Apple's OS, but nobody knows exactly what it is, but it is directly connected to the Desktop and create thumbs (they appeared / disappeared all the time).
Exchanged pieces of my Macbook, I got tired on the phone and hundreds of people continue to suffer from this problem since Apple does not know what is (or it's not interested), does not fix this bug in the OS (software incompatibility with the OS) .
Solution: I formatted my Macbook and carefully placing the applications one by one. That's an absurd!
And Apple thinks it makes a lot by the customer to keep changing parts of their computers and that's all ... bad is for those whose warranty has expired, is not it?
Everybody must know about it.
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