presentationfontcache use 50% CPU

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• Firefox crashes (even in safe mode) constantly and use 50% CPU while doing

  I use Firefox 36.0.1 and Windows XP (32-bit version).

  Lately, Firefox made this weird thing where it stops randomly load anything, as if the connection has been broken (it isn't, any other works very well). In this case, Firefox uses 50% CPU, when it is usually revolves around, well, 0%. Restart the browser, or waiting for a few minutes "fixed" the problem temporarily. Same thing in safe mode, too.

  I have the feeling that this * might * be related to Flash, since it seems to happen more often when I am watching videos, or stream on the shaking. I tried to disable the plugin-container and update the Adobe Flash Player plugin, with little success. Malwarebytes could not find anything either, and it does not feel like a virus anyway.

  Whatever it is, I'm out of options at this point. I had a lot of problems with Firefox for a while now, especially when it comes to videos/animations (I can't play the videos of Vine.co , for example), and it starts to make it difficult for me. I really don't want to switch to Chrome, I don't trust of Google and their browser doesn't have a lot of key functions I like in Firefox (such as the sidebar bookmarks < 3), so I really hope I can get help here.

  Any suggestions?

  Chrome is a pain, I tried to go back and difficulty of Firefox (so far), and again, I think I found the problem. I should mention that I tried these 5 suggestions before, btw, and none of them got rid of the problem. Yes, even in safe mode, with a profile is empty, no plugins, no firewall and without tab, it happens again, somehow. And Yes, Chrome will work fine with Firefox running in the background, as I mentioned in my previous post.

  What he did for me was turn off Prefetching and IPv6 times in all: config, following the instructions on this this page .

  I'm not sure that one did the trick (I kinda afraid to mess with that again, but I could test if you want to, it might be useful to others), but it looks like everything is going well for the moment.

• 35.0 Firefox uses 100% cpu on Mac Yosemite 10.10.1 then either breaks or needs force quit.

  I had this problem since installing Yosemite and using 34.0.5. I upgraded yesterday to 35.0 but still the same problem. Firefox will work happily for a while and then all of a sudden will use 100% cpu. I disabled all extensions and plug-ins and that made no difference. If I use Java (8-25), it will usually make it crash but not always.

  To make things worse, the accident report appears in Greek (which is considered in another question already).

  Have you tried to reset Firefox? Refresh Firefox – reset the parameters and modules

• Firefox and Shockwaveflash 14.0.0.145 using 100% CPU

  Firefox (v30.0) normally uses the CPU of 2 to 6%.
  When I start a video using shockwave flash 14.0.0.145, firefox uses 20 to 40% of the CPU and shockwave 50-80%.
  For the most part resulting in a total of 100% CPU usage.
  This problem occurs for a week or two.
  I am running Microsoft Vista.

  You can check for problems with the current versions of the plugin Shockwave Flash and try this:

  • Check updates for your drivers drive graphics
    https://support.Mozilla.org/KB/upgrade-graphics-drivers-use-hardware-acceleration
  • Disable protected mode in the plugin Flash (Flash 11.3 + on Windows Vista and later versions)
  • turn off hardware acceleration in the Flash plugin

  See also:

  • http://KB.mozillazine.org/Flash#troubleshooting

• Why Firefox uses 100% CPU when I am connected to eBay?

  Firefox uses 100% CPU when I connect eBay.

  Hi apdubois, it is useful to know that Flash is the problem but, as you point out, life without Flash is not very interactive.

  It is a standard orientation that addresses the most common reasons for problems of Flash in Firefox. I'm sure you've seen some of it before, but just in case:

  (1) make sure that all recorders/downloaders who interact with Flash media are as up-to-date as possible, or disable them temporarily.

  (2) disable graphics hardware acceleration in Firefox and Flash

  (A) in Firefox, uncheck the box here and restart:

  the button Firefox orange (or the Tools menu) > Options > advanced > General > "use hardware acceleration when available.

  (B) in Flash, see this article from Adobe technical support: http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues

  (3) turn off protected mode (Windows Vista/7/8)

  See this article from Adobe support under the heading of 'Last resort': Adobe Forums: how to fix protected Flash Player for Firefox mode?

• MacBook Pro random high utilization of the processor (iCoreService/DCAManager using + 400% CPU?)

  Hello

  I'm running an Early 2011 Macbook Pro running OS X Yosemite 10.10.5 with a 2.2 GHZ Quad Core i7 processor 1 TB Samsung 840 EVO SSD and 16 GB of RAM Crucial. I noticed for about a month, I'm going to do a simple task or two on my Mac, then all of a sudden I noticed spikes CPU temporary, 90 + degrees C and the kick of fans trying to cool high speed. Well, I don't know why this is happening when I do nothing to justify a high utilization of the processor. I'm used to the CPU running hot when I do something intensive graphic as running Autodesk Inventor CAD software, run a machine virtual or even watch a 1080 p @ 60 fps video on youtube (it is the lowest resolution that requires the Mac switch to the dedicated AMD Radeon 6750 M GPU that usually eventually warm it quickly) , but this use high random that happens when I have Mail open in the background, and one tab open with a 720 p @ 30 fps video Youtube open (or even less). I took a few screenshots of the activity Manager indicating the best processes and Intel Power Gadget indicating the temperature of the CPU:

  

  

  

  Does anyone know what are iCoreService and/or DCAManager and why they use so much of my CPU when this happens? And someone has encountered this weird behavior before? Thanks in advance!

  The most likely cause is an applicztion you have running that is corrupt and forcing them to use the CPU too. Were you able to kill the process in activity monitor? If you have not yet tried to do, so I'll try that first. I would also try to quit all open applications.

  If you start the computer in Safe Mode , you can test if the problem is still there. If it isn't, usually means something that is managed by you start-up or an application that you use may be the cause.

• Firefox using 50% + CPU when it is idle and stops when I close and reopen; then he resumes it after that that he is responsible for some time.

  With Firefox loaded, but sitting idle for a period, he began to use 50% + CPU (by Windows Task Manager). This slows down everything even if nothing happens (openly) with Firefox. If I close and reopen, it's OK for a while, and then it starts again.

  == In the last week, but I know of no specific case of ordinary use.

  Please visit http://support.mozilla.com/en-US/forum/1/656957

• SQLSERV. EXC uses more cpu I have one of my production sql server 2008R2 Server

  Hi all

  I am faced with a critical situation question in one of the servers.sqlserv.exc of production uses more CPU (from 90 to 100%)

  Windows version chargeWindows server 2007 standard with SP1
  Processor: Intel (R) CPU Xeon X 5675 @3. 07 GHz, 2.93 GHz
  RAM: 4.00 GB
  System type: 32-bit operating system.

  SQL server version and edition: SQL Server 2008R2 standard 32-bit edition with sp1.

  Please let me know what are the step that I have to take to solve the problem and I would like to know which process is eating more resources.

  Kind regards
  Mahi

  Hello

  Your question is better suited to one of the forums of SQL on Microsoft TechNet here:

  http://social.technet.microsoft.com/Forums/en-us/category/sqlserver .

  I suggest therefore that repost you your question here.

  Thank you.  :)

• WksCal.exe using 50% CPU

  Overview of resources shows that WksCal.exe uses 50% of the CPU resource. For a feature that I even don't use it seems to be down. I know that I can turn it off, but I'm more interested to know if this is an indication of other problems.

  Hello RobtC,

  Thank you for posting.
  wkscal.exe process is the civilian component of MsWorks. It works similar to a traditional calendar, which allows you to schedule meetings and set reminders etc. If you find useful MsWorks calendar, you must leave the wkscal.exe running process.

  My theory as to why it would be to use 50% CPU, is that it could be synchonizing with a mobile device as in the link here
  http://support.microsoft.com/kb/309501 .

  Please let me know if this has been helpful for you.

  Engineer Support responds to Microsoft of Zack

• Explorer.exe using 50% CPU

  My Vista has suddenly become almost unusable.  Task Manager shows explorer.exe uses 50% of the CPU.  I rebooted a couple of times.  If I use the Task Manager to kill him I can run programs using the application tab.  The computer works well without exploring. But then I don't have a task bar so I hope it's temporary.  I ran the windows malicioussoftwqare removeal tool - who found nothing.  The program is c:\windows\explorer.exe.

  Does anyone know the solution?

  Many times when someone experiences this problem, it may be due to add-ons explore or shell extensions. Consider using Sysinternals Autoruns or ShellExView. Disable Add-ons and non Microsoft shell extensions and verify the behavior.  If he went, reactivate the disabled extensions/add-ons, one at a time and see if you can identify who may be liable.

  Try a clean boot, or boot into safe mode.  The behavior persists?

  You can use Process Explorer from Sysinternals to check the stack of the thread using the most CPU in the explorer.exe process, when you experience the behavior.  When Explorer uses the CPU as you have indicated, double-click the process in Process Explorer and go to the tab of the Threads.  Sort the list of threads by Cycles Delta (descending) and note the thread at the top. Double-click it and discovered its stack. Look for third-party modules (extensions of shell or modules, AV software, etc.) in the stack.  Disable (Autoruns or ShellExView, maybe) / uninstall these components, reboot and see if the behavior is affected.

• Vista Enterprise using 100% CPU countiniously

  I use Vista business on dell Inspiron 6400 (had vista with laptop). The laptop has dual core processor and a CPU is used 100% without interruption since install. I have installed all updates using windows update utility. I have also disabled the indexing service and also to adjust Visual effects for best performance. The problem still exists.

  In the Task Manager, I see a peremptory touch 100% CPU graph and another pretty normal CPU graph. I have 2 GB of ram and still 1,3 GB free. I have not yet installed any software. In the list of process System Idle Process takes, 90 + CPU usage no other program uses much CPU.

  For this reason, my laptop is very slow to respond and almost useless, please help me.

  I think that I found the correct culprit this time. I tried to disable the edge of BIOS devices implemented and it worked. When narrowed "Media Card and 1394" device was causing too much hardware interrupts. My PC works fine and no CPU usage after you turn off the device. I think that the fault was in Media card on board the aircraft.

  It took me a long way to reach this solution, so to help others here you are a few steps to take to limit the problem.
  -Task Manager open to see if any software uses the CPU more than expected. If you notice any software then its easy to uninstall or disable the program at startup etc.
  -If Task Manager processors are normal and yet one or more CPU is used close to 100% and then download and run http://live.sysinternals.com/procexp.exe ProcessXP and run
  -If material interruptions take up too much cpu, then try to disable/remove your attached devices, like modems usb, wireless lan, lan card BIOS Setup etc.

  Hope this will help.

• WksCal.exe using 100% CPU

  In the resource window, I see that there are five entrances to WksCal.exe and they use 100% CPU. I thought I had solved in part this problem yesterday when I got rid of all but one of these entries. Today, they are all back. I did a full scan on my computer by using the Windows program and found nothing.

  Hi RobtC,

  WksCal.exe is the MS. Works Calendar You try to view this question in the Newsgroup discussions of works (see link below)
  http://www.Microsoft.com/communities/newsgroups/en-us/default.aspx?DG=Microsoft.public.works.win&cat=en_US_77e075ae-C07C-4CE8-AAC1-e366715b1549&lang=en&CR=us
  Ramesh Srinivasan, Microsoft MVP [Windows Desktop Experience]

• WerFault.exe continues to use all CPU, despite Microsoft Error Reporting turned off.

  Although even I turned off the Microsoft error (running Vista Home Premium) report continues to use all CPU, I read a lot of geek and tech stuff after googling the problem and thought that I had found the answer.  I uninstalled a few programs that I did not, and he was glad that the problem has disappeared.  After one episode a week, he started to reproduce. It could be something else to do, but I can't locate the forum who suggested to uninstall programs.   Even when I open Explorer and Windows Task Manager just. WerFault.exe executes two threads.  All the answers?  I hope of course!  Thank you

  When WerFault.exe turns that means that other tools have crashed. Reactivate the WER service and check the item 'Problem and Solution' applications that crashed the last days.
  "A programmer is just a tool that converts the caffeine in code" Deputy CLIP - http://www.winvistaside.de/

• Touchpad causing excessive use of CPU on Vostro 3558 (Windows 10)

  Hello.

  I am therefore unable to use Windows 10 because using the touchpad causes the process "System and compressed memory" to use more than 30% of CPU.

  I made a GIF showing what I mean:

  As soon as I start to scroll and move the pointer this process ("Sistema y memoria compartida" in Spanish, but it's the same, ntoskrnl.exe) raises my CPU usage, as you can see.

  I tried a lot of things, but I always have to go back to Windows 7 or Windows 8.

  -J' uses latest Touchpad drivers from the site Web of Vostro 3558.

  -J' tried 19.0.9.4 old synaptic drivers for Vostro 3558 by www.dell.com/.../DriversDetails

  -J' lastest synaptics.com generic drivers, tried both SMBus and IC2 versions, but they do not work at all (I even manually installed them in Device Manager).

  -This has happened the upgrade of Windows 8 to 10 of Windows and installs also in fresh Win10.

  Without drivers from dell (using default microsoft HID Driver and synaptics.com), I get no problems of use of CPU, but none of the gestures of course.

  I ask for help because I don't want to stay in Win7/Win8, and it drives me crazy.

  I fixed it messing with Vostro 3559 touchpad driver and driver Lenovo Yoga 3 1370.

  IN FACT, WINDOWS 8.1 HAS THE SAME PROBLEM, I HAVE NOT TRIED WINDOWS 10.

  THE STEPS I DID TO FIX IN WINDOWS 8.1;

  1. install the VOSTRO 3559 Windows 7 touchpad drivers:

  

  2. open Device Manager, open the section "Mice and other pointing devices" and right click on "Dell Touchpad" (it should be named only after having installed the drivers Vostro 3559). Select "Update driver software".

  3. click on "Let Me pick from a list of drivers on my computer"

  4. uncheck the "Show compatible hardware", go to "Synaptics" and select "Touchpad"

  

  5. now if you check your device manager there is NO HIGH CPU USE, BUT TOUCHPAD IS LAG like *, as on some XPS models.

  Now, why I did everything above? Because I can not install directly Lenovo Touchpad drivers without installing the first software of Vostro 3559. Synaptics software simply does not therefore not gestures.

  6. DOWNLOAD AND INSTALL THE WINDOWS 8.1 LENOVO YOGA TOUCHPAD DRIVERS 3

  

  Direct link:

  7. OPEN the DEVICE MANAGER AGAIN AND THE SAME THING, BUT THIS TIME WE will USE "LENOVO POINTING DEVICE" rather than "TOUCHPAD" OR "DELL TOUCHPAD"

  8. YOU're not in MEASUREMENT OF CLICK NOW AS a RESULT OF SWITCHING THE DRIVER, so YOU WILL NEED AN EXTERNAL MOUSE, OPEN TASK MANAGER AND CLOSE ALL SYNAPTICS and PROCESS RELATED of TOUCHPAD.

  9. GO TO C:\Program Files\Synaptics\SynTP AND OPEN SYNTPENH. EXE

  
  

  10. HERE, YOU HAVE A JOB ENTIRELY TOUCHPAD WITHOUT MAKING YOUR CRAZY CPU

  You don't need to do anything at the next start of Windows, it is already fixed.

  REFERENCE DELL FIX YOUR DRIVERS.

• Random processes using 50% CPU (dll files)

  Random process (svchost.exe, taskhost.exe, taskmgr.exe procexp.exe - Process explorer, chrome.exe, skype.exe and so forth) always use 50% CPU, but only one of them will do both. If I stop the process that takes too much CPU usage, after 5 seconds, another process starts using 50% CPU again. I used Process Explorer to check the problem, and I found that the process still using 50% CPU has api-ms-win - returned-* dll running (from 4 to 9 of the dll). No other process has them. After that I started to close the processes one by one and always monitor the dll, and it seems that after I stop a CPU consuming processes, after a few seconds another process loads the api-ms-win - returned - all * dll and start again using too much CPU. I don't know if the CPU usage is relevant to these DLLs, so I came here to help.
  I tried to reinstall windows, use 2 anti virus to find something and neither things solved the problem.

  At it remove it (or quarantine it)?  If she keeps reappearing you are still infected and may have to start a new thread in the virus & malware to help with its removal