Current position: Home > Default > Quicktime uses 100% CPU
Quicktime uses 100% CPU
Couldn't find an Apple Article for that so here's how its done:
Boot up into the Recovery HD (Hold CMD + R while booting)
Then select Mac OS X Utility's in the menu bar.
Then select Terminal and type this in the terminal: resetpassword
Then this shows up:
Now hit Reset in the bottom right corner and then reboot the Mac and see if this has worked.
- Read related articles
- Quicktime doesnt start (process 100% cpu, never appears)
- Mail Can't Open & com.apple.internetaccount process hogging 100% CPU
- ITunes will uses 100% cpu and will not close in OSX Lion
- Performance Problem: qttask.exe 100% CPU
- IPhoto Played Video But Hung 100% CPU + AVF error: branch_QT0, getCmdListAsync
- Why does iTunes use 100% CPU all the time, hogging my Macbook Air?
- Lightroom is very slow, utilizes 100% CPU, then freezes or closes program. How do I fix it?
- Queue consumer stops with 100% cpu usage
- HP LaserJet Pro MFP M127fn - DNS issue, hundreds of UDP connections affects my router 100% CPU usage
- This new version of FireFox is making me nutz! It is SUCKING 100% CPU time almost constantly. I could just pull my hair out. I wpdated once a month or so ag
- Firefox 15.0.1 stops responding (100% cpu) when a link opens in a new window.
- 100% CPU Usage Overhead running EM DBConsole 11g on OEL-5.2
- 100% CPU using LabView 7.1 and DSC module
- Sessions with Event "class slave wait" taking 100% CPU
- Photoshop CS5 always around 100% CPU usage
- Mdnsresponder will not quit. Consumes above 100% CPU and kills my battery. Also causes my fan to run constantly and my computer to get extremely hot. Force quitting doesn't work. It just comes back.
- Oracle.exe consuming 100% CPU on windows and database hang
- Discoveryd process uses 100% CPU - Safari Can't find the server
- CF9 CPU at 100%. Moved to new CF11 server and copied files over and it's still at 100% CPU almost immediately on new server
-
Quicktime doesnt start (process 100% cpu, never appears)
-0001-11-30I'm having weird problems with Quicktime (and iTunes too). When i open a .mov file in quicktime (Win XP sp2), the quicktimeplayer.exe process immediately uses 100% CPU and the user interface never appears. I have to kill the process in the taskmanage
-
Mail Can't Open & com.apple.internetaccount process hogging 100% CPU
2015-10-11Desperately seeking answers after Mavericks install.. My mail crashed and now won't open at all. I've tried most (if not all) the suggestions posted by others. Haven't tried deleting and reinstalling mail yet, as this will be my last resort since I
-
ITunes will uses 100% cpu and will not close in OSX Lion
2015-10-11When I start up iTunes, after a few minutes, the fan kicks on and Activity Monitor shows that it is using 100% CPU. The fan kicks up and the MBP gets warm. I have to force close to get it to shut down. iTunes match is constantly running, so maybe tha
-
Performance Problem: qttask.exe 100% CPU
-0001-11-30I have a new 2nd Generation iPod Shuffle. So I only want music files, and at this point they are all from my existing CD's and Windows Media Player files. I run on an HP machine 640 mb memory, AMD 1295mhz running Windows XP Home SP 2. Definitely an o
-
IPhoto Played Video But Hung 100% CPU + AVF error: branch_QT0, getCmdListAsync
-0001-11-30Any ideas on what iPhoto: AVF error: branch_QT0, getCmdListAsync Means and what may be causing it? Thanks. ImranSame thing happened today.... Playing a different 30 second iPhone video in iPhoto, stopped it, double clicked it and it took iPhoto to 10
-
Why does iTunes use 100% CPU all the time, hogging my Macbook Air?
2015-10-11Decided to post this here instead of the iTunes forum, since it might be related to hardware too. New owner of a 2011 13" Macbook Air, core i5 based. My problem started about 1 week ago, after it had run out of power completely one day. At the first
-
Lightroom is very slow, utilizes 100% CPU, then freezes or closes program. How do I fix it?
2015-10-11I am having a problem with Lightroom 5 being very slow, utilizing 100% CPU, then freezing or closing the program. How do I fix it? I just upgraded to LR5 from LR3 on Sunday as well as CS6 from CS5 (which I have not tried out yet). I spent several h
-
Queue consumer stops with 100% cpu usage
2015-10-11I'm trying to use Berkeley DB queue with transactions. When I tested what happens when transactions with DB_APPEND are aborted I found that while it works and DB_CONSUME correctly skips over rolled back records, unfortunately extents that have those
-
HP LaserJet Pro MFP M127fn - DNS issue, hundreds of UDP connections affects my router 100% CPU usage
2015-10-11Hi all, We've bought about ten pieces (HP LaserJet Pro MFP M127fn), tested only one the other 9 are waiting for their time to be sent in our branch offices. The MFP works fine, no complains till later that day I noticed that our Mikrotik Router was s
-
This new version of FireFox is making me nutz! It is SUCKING 100% CPU time almost constantly. I could just pull my hair out. I wpdated once a month or so ag
2015-10-11I tried to add this in the topic already open but it kept sending me through the unending rabbit holes! My question is: How do I figure out what release I was on, get rid of this one and got back to a functional firefox that moves in realtime. I alre
-
Firefox 15.0.1 stops responding (100% cpu) when a link opens in a new window.
2015-10-11Whenever I click a link that is designed to open in a new window Firefox goes straight to 100% cpu usage and I have to go through the Windows "end now" sequence to close the program. I've tried opening one of the links in a new window but I thin
-
100% CPU Usage Overhead running EM DBConsole 11g on OEL-5.2
2015-10-11After upgrading to OEL-5.2 and relinking all Oracle binaries, my old Oracle 11g installation, installed several months before on OEL-5.1, has been working well, including Enterprise Manager Database Console working nicely as always with respectful pe
-
100% CPU using LabView 7.1 and DSC module
2015-10-11Seven years ago I used BridgeView and PXI to execute a project, and the results were so good that after that initial system, I installed one more using BridgeView, and three more using LabView 7.1. BridgeView is working very well, but lately, LabView
-
Sessions with Event "class slave wait" taking 100% CPU
2015-10-11Hi experts, I have an issue in an 11.2.0.2 RAC database with 2 standby nodes that are driving me nuts. All started when I've been told there are 2 Oracle processes consuming too much CPU in the environment. I found 2 processes which takes 100% CPU ea
-
Photoshop CS5 always around 100% CPU usage
2015-10-11Photoshop CS5 12.0.1 x64 running on Snow Leopard 10.6.4 always takes around 100% CPU, no matter if it's on screen or not. I can not figure out what it is doing behind the scene. I have deactivated fonts preview and I have no third party plugin except
-
Mdnsresponder will not quit. Consumes above 100% CPU and kills my battery. Also causes my fan to run constantly and my computer to get extremely hot. Force quitting doesn't work. It just comes back.
2015-10-11The mdnsresponder will not quit. Consumes above 100% CPU and kills my battery. Also causes my fan to run constantly and my computer to get extremely hot. Force quitting doesn't work. It just comes back. I posted about this earlier and never got
-
Oracle.exe consuming 100% CPU on windows and database hang
2015-10-11Hi all, every time my oracle database is hanging when the application run, the problem is the oracle.exe consum 100% CPU but not memory and the server hang and the dabase is going to inaccessible, we need to restart oracle instance service or server
-
Discoveryd process uses 100% CPU - Safari Can't find the server
2015-10-11Hello Since upgrading to Yosemite, I lose connection to the internet 2 or 3 times a day. (Outlook goes offline at the same time) This is with a wired connection. (Wi-Fi is turned off) Safari gives me the "Safari Can't Find the Server" message. R
-
CF9 CPU at 100%. Moved to new CF11 server and copied files over and it's still at 100% CPU almost immediately on new server
2015-10-11Our web server is stuck at 100% CPU. Three days ago we were on CF9 and started running into this problem until the server crashed and wasn't salvageable. Luckily we had a fresh Windows 2008 Server R2 ready to go with a fresh copy of CF11 on it. I

Hots 
- 1Error message when opening Mail 10-11
- 2Photo gallery Pages cant go "Under" another page or have i missed something 10-11
- 3Internal not getting settled in current year 11-30
- 4Error while installing BizTalk server 2010 on my local PC. 11-30
- 5ORA-01034 help please 11-30
- 6Why are curves "inverted" after ACR grayscale conversion? 11-30
- 7Viel zu langsame Reaktionszeiten in SAP 11-30
- 8Can't remember screen lock password 11-30
- 9Shared Memory for Custom Table 11-30

News 
- How to get return value from java and read by other application?10/11
- How To Install Platform for Multiple Developers on Single UNIX Machine?10/11
- HT201269 when i back up my iphone 5 so that i have all the info from my 4s on it, it wont put my music on it or let me do anything with it. how can i get my itunes to recognize that it is my new iphone and let me put stuff on it with out completely resett10/11
- Tons of problems !10/11
- Missing download not showing in my library or files10/11
- XSL-1009 error in XML to XML using XSL10/11
- Calendar sync issues between iphone and icloud11/30
- 4.1EA2: no formatting of pl/sql file type11/30
- Cineware opening error11/30
- Gray Screen and Won't Boot Up11/30