WPFFontCache_v0400.exe - what is this process in the "Task Manager"

Do you remember the operation of your computer as soon as the operating system was installed on it? Then it was fast, programs opened instantly, there were no freezes and other things. Unfortunately, over time, there are so many processes that they significantly slow down the system. Sometimes this happens due to the large volume of installed programs, and sometimes crashes occur, and some processes exorbitantly load the processor.

In this article we will talk about the program WPFFontCache_v0400.exe - what is it, what functions does it perform and what should I do if it consumes too many computer resources? Read the article to the end to fully understand the issue.

WPFFontCache_v0400.exe - what kind of process?

First, let's figure out what kind of process this is, before touching on the issue of its load on the system.

So, WPFFontCache_v0400.exe is a process that is responsible for displaying fonts and their styles in WPF programs. In simple words, it is he who makes the favorable appearance of running applications on the computer. It stores the metadata of all styles of text in itself and, if necessary, instantly ennobles the interface of an application.

Virus or not?

We already found out that WPFFontCache_v0400.exe is a process that works with text styles, but can it be a virus? Answer: absolutely no. But the virus can disguise itself. The fact is that developers of virus software can intentionally name their malicious program the name of this process in order to mislead the user.

Location

The easiest way to distinguish a virus process from a genuine one is to check the location of its executable file. The fact is that the real one is in the WPF folder, which is located along this path:

Go to the "Task Manager" and find the desired process in the list, then open its location by pressing RMB and selecting the appropriate item. If the file is located in the WPF folder, then this is not a virus.

Can I turn it off?

We have already figured out what kind of program is WPFFontCache_v0400.exe, but can it be disabled? Indeed, even in the background, it consumes some resources, not to mention situations when some kind of failure occurs and their consumption increases several times.

You can disable the process - this will not cause any critical errors, but fonts in WPF applications may not display correctly.

A big load on the CPU - we fix the situation

So, we found out that WPFFontCache_v0400.exe is a process that in some situations can consume too many computer resources, which should not be. In this case, you can disable it, however, after restarting the PC, it will start again. It would be wiser to try to correct the situation. Fortunately, there are two ways to do this, which will be discussed now.

Method 1: update libraries

In order not to take drastic measures, you can try to update the program libraries. Most likely, the system crashed due to which some program files were damaged. In this case, you need to update the libraries, for this:

1. Go to the NET Framework 4 download page. It is important that the site is official.
2. Download the software package by clicking the appropriate buttons.
3. Install all its components according to the instructions provided by the “Installation Wizard”.

After that, restart the computer. The problem should disappear.

Method 2: Uninstall

If updating the libraries did not help, then the most effective way would be to delete the malicious file. For this:

1. Complete the process in the Task Manager.
2. Open Command Prompt.
3. Run " sc delete WPFFontCache_v0400.exe " (without quotes).

The file will be deleted, and the problem will be resolved.

Conclusion

Now you know that WPFFontCache_v0400.exe is the process responsible for displaying styles and fonts in the Windows operating system. But the most important thing is that you have learned what needs to be done in a situation where it heavily loads the central processor. It is also important to periodically check the system for viruses in order to eliminate the threat in time.