![]() If you have a computer question - or even a Got a Computer Question or Problem? Ask Dennis! Your problem and I will get back to you as soon as possible. Presentationfontcache.exe - or any program for that matter which may be out ofĬontrol and eating your CPU, I can help using my If all of this is over your head, or if you need help disabling the I hope that helps! Additional 1-on-1 Support: From Dennis If you don't know which program that may be, I would not worry about it too much as the majority of programs I came across were for programming purposes. Note that any program which relies on the Windows Presentation Foundation service may run slower, because the fonts are being cached. If for some reason the presentationfontcache.exe is still running, do a reboot and that should definitely prevent it from running again. The text you copied in Step #5 should now be output to the command line.Īt this point, you should not see presentationfontcache.exe running in task manager, and your CPU should be running a lot more smoothly. Next, go to the administrative command prompt you opened up in Step #1 and then right click in the middle of the window and select "Paste" from the dialogue menu. Right click over top of the highlighted text above, then select "Copy" from the dialogue menu.REG add "HKLM\SYSTEM\CurrentControlSet\services\FontCache3.0.0.0" /v Start /t REG_DWORD /d 4 /f To do so, use your mouse to highlight the text below: The following steps will stop the Windows Presentation Foundation service and disable it permanently (though, this can easily be reversed). ONLY do the following steps if presentationfontcache.exe is still eating your CPU.Tab in Windows 8 and later), and look to see if you can find the presentationfontcache.exe programĪnd see if the CPU usage is still running rampant. Running, go to the "Processes" tab in Windows 7 and earlier (the "Details" Users, you will need to click the "Task Manager" link in order to run Task ManagerĪfter pressing CTRL ALT DEL on the keyboard. To do so, press CTRL ALT DEL on the keyboard Task Manager will appear automatically in Windows 7 and earlier - however, for Windows 8 and 10 Now, check Task Manager to make sure presentationfontcache.exe isn't eating 25, 50, or 100% of your CPU. ![]() The text you copied in Step #2 should now be output to the command line. REG add "HKLM\SYSTEM\CurrentControlSet\services\FontCache3.0.0.0" /v Start /t REG_DWORD /d 3 /f To do so: highlight the text below using your mouse:Ĭd C:\Windows\ServiceProfiles\LocalService\AppData\Local\ The commands below will clear out the Font Cache folder, set the Windows Presentation Foundation service to manual, then restart the service.To do so: click Start, then type in "cmd" (no quotes) wait for "CMD.EXE" or "Command Prompt" to appear in the list, then right click it and select "Run as Administrator". First, you will need to open up an administrative command prompt. ![]() How to Fix: Disable Presentationfontcache.exe (High CPU) To minimize the amount of steps needed - plus I'll explain how to do it in simple English. The sites I visited explained how to do this clearly (for the average Joe user) Īs such, I've decided to completely rewrite the instructions and streamline the process Instructions that explained how to disable it entirely. By default any application using WPF framework will enable the Windows Presentation Font Cache service, though it's my understanding this service can safely be disabled.Īfter a bit more digging online, I came across some instructions that will helpįix the presentationfontcache.exe from eating all the CPU, plus other I have never seen a WPF application (that I am aware of) in the last 30 years of my computing life - however, a from a bit more research, this service seems to be related to a lot of programming-related activities, including The task 'presentationfontcache.exe' was eating 25% of her CPU.įrom what I've read online, the presentationfontcache.exe file is a service used for caching fonts, related to Windows Presentation Foundation (WPF) applications. She agreed and allowed me to connect, and sure enough. I have not had this problem before so I asked Teresa if she would like me to look at the issue more closely using and this definitely isn't helping! Can you please tell me how I can disable presentationfontcache.exe in Windows 7? " This is an older computer, and these days I need all the CPU processing power I can get My computer has been acting terribly slow! I pressed CTRL ALT DEL to bring up Task Manager to see what was going on, and I have a task called presentationfontcache.exe that is eating 25% of my CPU.
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