presentationfontcache.exe is a program which is probably NOT a virus. So, if presentationfontcache.exe is on your system, it is probably ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to defend your PC against potential security problems.
Usually, this application is located in C:\Windows\Microsoft.NET\Framework64\v3.0\WPF\PresentationFontCache.exe.
The MD5 checksum for this program is 91857d4f6633493cf03c22bd86ed7f81.
This program is set up as a Windows service. This means it operates on your PC in background, usually without showing any user interface to you. Most Windows services are ok programs, which perform useful features to other programs or to Windows in general.
presentationfontcache.exe appears to use the functions of Windows SFC (System File Checker) or Windows File Protection.
This program runs as a 32-bit program. It can not exploit the full power of current computer processors. This is quite normal because the authors did not bother to upgrade it to 64-bit code.
The description stored in the file is PresentationFontCache.exe.
File version 3.0.6920.9141 built by: WinRelRS6.
Maker Microsoft Corporation.
Legal copyright © Microsoft Corporation. All rights reserved..
presentationfontcache.exe is digitally signed. Nowadays the large majority of serious software applications are digitally signed.
The digital signature extracted from presentationfontcache.exe verifies as ok. This is most likely a clean, ok program.
Digital certificate name: Microsoft Corporation
Certificate's issuer name: Microsoft Code Signing PCA 2011
This application does NOT have a removal routine set up in registry.