How to Troubleshoot PresentationFontCache.exe High CPU or MEMORY Usage on Windows PC

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The PresentationFontCache.exe is an executable file that comes along with the Microsoft .NET framework in Windows 10 and older versions. The primary task of Presentation Font Cache is to load and provide font glyphs to all the Windows Presentation Foundation (commonly abbreviated as WPF) application, such that these applications can use these fonts.

What causes PresentationFontCache.exe high CPU or memory usage?

It has something to do with the corrupt font in the cache. After some time, the font’s information in the memory might get corrupted or unresponsive. This sometimes leads Presentation Font Cache to misbehave and stuck in a restart loop. So, all of this starts using a lot of CPU which creates a lot of problems.

How to fix PresentationFontCache.exe high CPU or memory usage?

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Remove FontCache.dat

Press Win + R to invoke Run window.
Then input the following command to the box and click OK to access the Local folder quickly:
C:\Windows\ServiceProfiles\LocalService\AppData\Local\
Delete the file named FontCache3.0.0.0.dat (or Font*.dat).
Then you can reboot your computer

Turn off the Presentation Font Cache service

Open the Run window, type services.MSC and press Enter to access the service.
Scroll down to find the Windows Presentation Foundation Font Cache service 3.0.0.0.
Then right-click it and select Properties.
In the Startup Type window that pops up, select Disable.
Then click Suspend, Apply and OK to disable the service and save your changes.

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Frequently Asked Questions

What is PresentationFontCache exe?

Presentationfontcache.exe is a legitimate file known as the RAR process file, originally developed by the WinRAR archiver. Programmers create files containing malicious code and call them Presentationfontcache.exe in order to spread viruses on the Internet.

How to disable PresentationFontCache exe?

Open the Run window, type services.MSC and press Enter to access the service.
Scroll down to find the Windows Presentation Foundation Font Cache 3.0.0.0 service.
Then right-click it and select Properties.
In the Startup Type window that pops up, select Disable.
Then click Suspend, Apply and OK to disable the service and save your changes.

How to get rid of PresentationFontCache exe?

Go to Control Panel, Administrative Tools, then Services and find the service "Windows Presentation Foundation Font Cache 3.0. 0.0". Double-click it to open the "Properties" dialog box and change the "Startup Type" to "Disabled". Restart the computer.

Carter Blakefield