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91
votes
6answers
105k views

What is installd, and why is it eating my CPU?

My Macbook is frying my lap, and the CPU monitor is going crazy: over 200% CPU being used by something called "installd". What is it? Can I kill it? (OS X 10.8.)
67
votes
14answers
63k views

runaway distnoted process

Sometimes I see a distnoted process suddenly spin up and chew up 100% CPU (on one core) and a ton of memory, often in the neighborhood of 1.5G or so. This happens a few times a day, starting a month ...
21
votes
1answer
47k views

What is the InterCheck process that occasionally uses 96% CPU on my Mac?

I heard my computer's fan spinning fast, so I checked Activity Monitor and saw that a process called InterCheck was using close to 96% CPU. What is this process and why's it using so much CPU? In the ...
16
votes
5answers
45k views

Is there something stronger than “Force Quit”?

I have an app that won't die: it's gone from the dock, but the window remains (with a beachball, if I mouse over it). It's using no CPU, but I want it to go away. Is there something stronger than ...
13
votes
4answers
31k views

Why does SystemUIServer cause high CPU usage?

The SystemUIServer process is taking 30% of my CPU. Searching around reveals a Snow Leopard daylight savings bug which is solved by removing the clock from the menubar. I am on Lion and I have tried ...
11
votes
6answers
7k views

VDCAssistant seems to be causing perpetual crash reports

As stated above VDCAssistant seems to be causing perpetual crash reports to the point that the ReportCrash system process will use 50-100% of cpu. Application Specific Information: Client is ...
8
votes
4answers
9k views

How can I disable MySQL from starting at boot?

I have a mid 2013 MBA running OSX 10.9. The process that starts on every start up is mysqld. I believe it was from an old version of MySQL I had installed (via AMPPS). I then installed MAMP Pro and I ...
8
votes
1answer
657 views

What kind of “messages” does Activity Monitor track with the “Messages Sent” and “Messages Received” columns?

In Activity Monitor on OS X, it is possible to add additional columns to the process list view. Two columns available in that list are "Messages Sent" and "Messages Received", which show up as "Sent ...
7
votes
2answers
4k views

How can I kill a process using top on OS X?

On other Unixe,s I can use top and then hit K and type the process ID. How can I do that in OS X? I can type kill [the_pid] on its own at the command line and that works. However, I was wondering if ...
7
votes
5answers
8k views

What is the “lsd” process on OS X, and why is it using so much CPU power?

I looked in iStat Menus and noticed that a process named lsd was consuming 99% of my CPU (Out of 400% for 4 cores). I searched around for a bit, but couldn't find out what this was, and why it's using ...
6
votes
1answer
11k views

How do I kill a process that won't die?

I'm unable to kill a process using any of the techniques I'm aware of ("Force Quit" in Activity Monitor, top, killall from the Terminal) and wonder if there are some additional steps I can take. ~ ...
6
votes
1answer
1k views

Erroneous “Installation Alert” upon installing XCode 3.2.6

I am on a clean Mac OS X 10.6.8 machine (I erased the hard drive and reinstalled the OS yesterday). I do have to re-download a few apps, and XCode happened to be one of the first. I completed the ...
6
votes
2answers
10k views

Safari 8.0 on Yosemite doesn't kill closed tab processes, hogs memory

I've just upgraded to Yosemite and started using the new Safari 8.0. For a while, everything seemed fine, but then all got ever so slightly slower and slower, especially when switching desktops. ...
6
votes
1answer
19k views

nsurlstoraged and CPU usage

Since yesterday nsurlstoraged is constantly using a huge amount of CPU. Nothing shows up in the logs but opensnoop shows that the process is accessing ...
6
votes
1answer
3k views

How to isolate an application from the system (fully sandboxed application)?

Is it possible to do something like the concept of sandboxing (like all apps on iOS have its own system software resources) for all existing applications (so - not while designing an own new ...
5
votes
4answers
1k views

What is the difference between 'Application' and 'Process' in OS X?

As I increasingly dabble with AppleScript and OS X tweaking in general, I arrive at this question: What is the difference between these two words in terms of OS X's inner operations - e.g. do some ...
5
votes
1answer
457 views

Utility to warn when process takes 100% CPU for x minutes?

I run on battery a lot and occasionally a process/app will crash in the background and start sucking up 100% of one or more cores. That in turn burns my battery down way faster than normal. I used ...
5
votes
2answers
3k views

What causes the UserEventAgent to run with 100% CPU usage?

Since about a month, my MBPr sometimes starts up it’s fans and is getting really hot. The activity monitor tells me, that this is because of the UserEventAgent, which runs with 100% CPU usage. This ...
5
votes
1answer
821 views

What is “com.JWVD.cbcache.plist”?

I'm trying to solve some problems and have run across a few things in Etrecheck of which I cannot determine the origin. One such item is the Launch Daemon "com.JWVD.cbcache.plist". Does anyone know ...
5
votes
1answer
2k views

Multiuser - can process of background user kept running?

On my Mac I use three user accounts. From what I understand when I'm logged in as one the processes of the other accounts are suspended. I switch between them with fast user switching. My question is ...
5
votes
3answers
962 views

Is there a htop-on-linux like alternative for top / Activity Monitor on OS X?

I'm looking for a better alternative for top. Both top and Activity Monitor are highly limited with regards to features. In particular, I'm interested in the following features: Limit processes by ...
4
votes
2answers
5k views

Why won't kern.maxfiles setting in /etc/sysctl.conf stick?

I've been getting various "too many files open in system"-type errors on Yosemite (10.10.1). Searching around suggests setting kern.maxfiles and kern.maxfilesperprocess in /etc/sysctl.conf. I've ...
4
votes
3answers
4k views

High CPU usage by a process called PTPCamera

On my Macbook Pro (Retina, Mid 2012) is a process, called PTPCamera, using a lot of CPU-Time . I already have killed this process but it spawned immediately again. 85% of CPU usage eats my Battery ...
4
votes
2answers
361 views

Why can't this process terminate?

Just recently I ran into an issue where my network program couldn't bind to a port because it was already in use. I opened the activity monitor and realized it (named "server") was already running ...
4
votes
1answer
297 views

Process named after website executing?

While looking at Activity Monitor processes, I noticed a process whose name started with "http://". Shortly after observing and screenshoting the process disappeared. This morning, it briefly ...
4
votes
3answers
294 views

App or script to monitor/log processes starting and stopping?

I want to be able to start an app or script, leave it running for a few hours, then come back and see a log of what processes started and stopped in that time. This is not the same as Activity Monitor ...
4
votes
2answers
261 views

Is there a way to switch to the selected process in activity monitor?

I'm wondering if there's a way to bring focus to a process that's in "activity monitor". Specifically, I've got a bunch of Google Chrome processes and I'm trying to figure out which process ...
4
votes
1answer
6k views

How do I remove or disable AdobeIPCBroker?

A new unstable resource-draining Adobe process that has recently appeared on my Mac is proving more difficult to hunt down and kill than the numerous other processes that Adobe creates. Generally ...
4
votes
1answer
379 views

How do I monitor the total physical and virtual memory usage of a process and all of its descendants?

From the command line, how would I get the total physical and virtual memory usage of a process and all of its descendants (not just 1st-level children)? This is useful when you want to monitor the ...
3
votes
3answers
2k views

Getting a list of currently running processes

I'd like to get a list of all the applications currently running on my machine using the command line. It should be similar to what you get when you open up Activity Monitor and choose to save the ...
3
votes
2answers
561 views

How do I programatically kill the CCLibrary process by PID?

I need to know how to write a command or script to kill the CCLibrary and CCXProcess processes. They are part of Adobe's Creative Cloud, and since their previous update they keep respawning and ...
3
votes
2answers
457 views

How to renice by process name?

I am trying to Launch a process using NICE but this process is starting other process by itself and they are not affected by the priority of the main process ( main process has the correct nice but ...
3
votes
1answer
498 views

More than 2500 systemwide processes on OSX 10.9

Attempts to raise the maximum number of systemwide processes above 2500 fail. $ sudo sysctl -w kern.maxproc=2500 kern.maxproc: 2500 -> 2500 $ sudo sysctl -w kern.maxproc=2501 kern.maxproc: 2500 ...
3
votes
2answers
2k views

Blank process name in Activity Monitor on OS X Mavericks

In my activity monitor I have noticed that there is a process appearing that has no name. It is owned by root. How can I find out what this process is?
3
votes
3answers
973 views

What do the appleprofilepolicyd and wdhelper processes do?

I found in activity monitor appleprofilepolicyd and wdhelper but after googling a while didn't found any interesting information: wdhelper - could be a webdrive or webdav - found only wdhelper.dll ...
3
votes
1answer
69 views

Turning off OSCSP Process

Apparently there's a process names oscsp that takes a lot of bandwidth. I'm not sure what it's for; but I came across an article that showed how to turn it off in Keychain Access Preferences. I'm ...
3
votes
1answer
118 views

Easiest way to gently kill an intermittently unresponsive application?

Sometimes, when I have many applications open doing many memory and IO-intensive things, my computer inevitably starts to thrash a bit. While waiting for things to settle down, I often decide to ...
3
votes
1answer
855 views

How to use an application name to kill it from a script

I'm trying to create a cron job to prevent children at a school from running the Minecraft server. (We actually need them to run the Minecraft client because we use it to teach programming.) The name ...
3
votes
1answer
1k views

“pkd” process on El Capitan

I just upgraded to OS X 10.11.2 (El Cap), and overall it seems to be working OK. One strange thing: there's a "pkd" process which is taking ~150% CPU, all the time, even though I'm not doing ...
3
votes
1answer
492 views

What is “x-apple-ql-id://*”?

I have a process called x-apple-ql-id://* (* being a bunch of letters, numbers and "-"). Is this a legitimate process? I am wondering because it looks very fishy.
3
votes
1answer
43 views

Is there another way to kill an app other than force quit?

My Excel is not force quitting, I can't find it in the Activity Monitor or the PID for it... Is there another way I could kill it?
3
votes
1answer
4k views

Securityd process uses 100% CPU when Mail app is open

I have a Macbook Air mid 2011 with OS X Yosemite. For a couple of weeks, I have a process, called Securityd, that runs and uses 100% of my processor, making it hot and noisy. After some time, I ...
3
votes
0answers
458 views

Services Using com.apple.geod

I blocked the com.apple.geod process with my software firewall but after 2 days of non-stop 1 second attempts I just pkill'ed it. I want to know what services are using this so I can disable them ...
3
votes
0answers
262 views

How to find out process owner of unidentified windows?

I have an odd error that I have not been able to associate with an application or PID properly. In Windows, there is Process Explorer with the very handy target function that allows you to click it ...
2
votes
3answers
911 views

How to show all running processes on OS X El Capitan?

How do I see a list of all running processes/tasks on OS X?
2
votes
1answer
431 views

Why doesn't /proc exist in OS X?

What is the reason that /proc does not exist in OS X? I was curious to find file descriptors that a process was using in my Mac. The way I do it in linux is to go in /proc/fd folder of that process. ...
2
votes
1answer
1k views

Where did the /proc directory go in Mountain Lion?

I used to find the location of cached flash videos by lsof | grep Flash, the result is something like this Google 38571 lamnk 74u REG 1,2 156826302 37061768 /Users/lamnk/Library/Application ...
2
votes
1answer
241 views

Disable SpeechRecognitionCore

edit: I don't use this feature, don't need nor want it running in the background. Is there a way to deactivate the service? I've seen so far this command: killall -9 ...
2
votes
3answers
4k views

How do I start taskgated again?

I killed taskgated from the Activity Monitor and since then it is not been running. How do I start the process taskgated again?
2
votes
1answer
3k views

Why does AddressBookSourceSync request connections to myriad different servers?

I've recently installed a new version of Little Snitch, and it informs me that the process AddressBookSourceSync wants to contact a server. I understand the process is for syncing Contacts. What I ...