The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the WPFFontCache_v0400.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.
The process known as Windows Presentation Foundation Font Cache (version 126.96.36.199) belongs to software Microsoft .NET Framework (version 4 Client Profile, 4 Client, 4) or Windows Presentation Foundation Font Cache by Microsoft (www.microsoft.com).
Description: WPFFontCache_v0400.exe is not essential for Windows and will often cause problems. The file WPFFontCache_v0400.exe is located in a subfolder of C:\Windows.
Known file sizes on Windows 8/7/XP are 754,856 bytes (50% of all occurrences), 753,504 bytes and 8 more variants.
The program has no visible window. The WPFFontCache_v0400.exe file is certified by a trustworthy company. The WPFFontCache_v0400.exe file is not a Windows core file. Therefore the technical security rating is 27% dangerous, however you should also read the user reviews.
You can uninstall the program Microsoft .NET Framework 4 Client Profile or Microsoft .NET Framework 4, update it, or try to get help from the software vendor. Click on www.google.at to update it, click on www.google.at to visit the vendor's website, or click on Microsoft .NET Framework 4 Client Profile or Microsoft .NET Framework 4 in Windows Control Panel (section Software or Programs) to uninstall it.
Recommended: Identify WPFFontCache_v0400.exe related errors
Important: Some malware camouflages itself as WPFFontCache_v0400.exe. Therefore, you should check the WPFFontCache_v0400.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with WPFFontCache_v0400. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the WPFFontCache_v0400.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.