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  #11  
Old 11-02-2009, 05:03 PM
chico_stang chico_stang is offline
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Join Date: Sep 2009
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Even though the mouse jumps are not that ocassional, they can get annoying at times so a fix would be nice. So if I delete the AppleUpstreamUserClient.kext kext, will the mouse stop jumping around? If so, what does this kext do? Is it safe to remove? I want to make sure before I delete or rename it.
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  #12  
Old 11-02-2009, 08:23 PM
thorazine74 thorazine74 is offline
 
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Location: Spain
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The kext suposedly handles hdcp checking and enforcing when playing hd video to a external monitor over a digital connection.
It causes lag only with certain nvidia gpus and while quicktime/itunes is running.
Better to use a disabler than deleting it, so you are protected for future system updates.

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  #13  
Old 11-02-2009, 09:53 PM
chico_stang chico_stang is offline
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What disabler you mean? BTW, I am running fully vanilla, 64bit.

Edit: The problem occurs only when iTunes or Quicktime is open. It is minimum, but noticeable at times. Either way I found the fix.

Last edited by chico_stang; 11-03-2009 at 11:52 PM.
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  #14  
Old 11-06-2009, 08:05 PM
crimsonangel crimsonangel is offline
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Quote:
Originally Posted by chico_stang View Post
What disabler you mean? BTW, I am running fully vanilla, 64bit.

Edit: The problem occurs only when iTunes or Quicktime is open. It is minimum, but noticeable at times. Either way I found the fix.
What was the fix you used?
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  #15  
Old 11-06-2009, 10:01 PM
mindlessmissy mindlessmissy is offline
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You found the "fix" and did not bother to share it ???
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  #16  
Old 11-07-2009, 12:24 AM
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spalek83 spalek83 is offline
 
Join Date: Oct 2009
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Here is the one I use.

I'm using the same one that Chico posted below.

http://osx86.sojugarden.com/downloads/
Attached Files
File Type: zip AppleUpstreamUserClientDisabler.kext.zip (13.2 KB, 42 views)

Last edited by spalek83; 11-07-2009 at 03:56 AM.
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  #17  
Old 11-07-2009, 02:42 AM
chico_stang chico_stang is offline
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Here is the link to the fix I found:

http://osx86.sojugarden.com/files/Ex...abler.kext.zip
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  #18  
Old 11-09-2009, 03:47 PM
potter1984 potter1984 is offline
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Join Date: Oct 2009
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Hello Guys,

I had exactly the same problem, noticeable lag all i did was remove the appleupstreamuserclient.kext, and that fixed the problem, but just rename yours and fix permissions on the drive to test..

Worked for me so everyone else should be good to go with that fix!!,

Cheers,
Rich.



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