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What is wpffontcache_v0400.exe?

Part of Microsoft® .NET Framework by Microsoft

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How does wpffontcache_v0400.exe run?

Service - wpffontcache_v0400.exe runs as a background Windows service called 'WPFFontCache_v0400' (Windows Presentation Foundation Font Cache This service runs as the LOCAL SERVICE account with minimum privileges on the local computer and presents anonymous credentials on the network. Windows Presentation Foundation Font Cache runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the wpffontcache_v0400.exe process running.Of the 0.1% of wpffontcache_v0400.exe users, 28.0% have disabled it.
How resource intensive is wpffontcache_v0400.exe?
Comparison based on the average resource utilization across all programs.
0.00001% CPU131.4%
Average CPU utilization across all programs is 0.00001%.
          3.35 MB RAM15.6%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.2.3790.131072)
Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista (TM) Ultimate (6.0.6002.131072)
Windows Vista™ Home Premium (6.0.6002.131072)

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File details

File name: wpffontcache_v0400.exe
Publisher: Microsoft Corporation (verified)
Name: Microsoft® .NET Framework
Description: wpffontcache_v0400.exe
Version: 4.0.30319.1 built by: RTMRel
Product version: 4.0.30319.1
Size: 996.84 KB
Original file name: wpffontcache_v0400.exe.mui

Digital certificate

Resource utilization

CPU utilization averages
Total CPU: 0.0000234734%
Privileged CPU: 0.0000103285%
User CPU: 0.00001314498345%
Privileged CPU time: 117078.75 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 493,442,393
CPU cycle count /min: 185,682
Memory utilization averages
Committed memory: 59.41 MB
Peak committed memory: 69.71 MB
Paged memory: 3.35 MB
Peak paged memory: 3.5 MB
Paged system memory: 107.99 KB
Non-paged system memory: 7.25 KB
Working set memory: 6.26 MB
Peak working set memory: 13.18 MB
Min working set memory: 5.76 MB
Private memory: 3.35 MB
Page faults: 6,880
Page faults /min: 3
Process I/O averages
Total read operations: 2
Read operations /min: 1
Total read transfer: 115 Bytes
Read transfer /min: 0 Bytes
Total write operations: 2
Write operations /min: 1
Total write transfer: 36 Bytes
Write transfer /min: 0 Bytes
Total other operations: 3,242
Other operations /min: 1
Total other transfer: 91.92 KB
Other Transfer /min: 32 Bytes
Handle count average: 86
Thread count average: 5
Thread resource averages

Process details

Runs as (owner): Local Service
Integrety level: Undefined
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Child Process
Process Command

Service details

Name: Windows Presentation Foundation Font Cache
Service name: WPFFontCache_v0400
Service type: Win32OwnProcess
Description: “Optimizes performance of Windows Presentation Foundation (WPF) applications by caching commonly used font data. WPF applications will start this service if it is not already running. It can be disabled, though doing so will degrade the performance of WPF applications.”

Image hashes

MD5: 991e2c2cf3bc204c2bb2ee1476149e4e
SHA-1: fa0f3372dff43749cbf52a907d260c0113e4b08f
SHA-256: 3acee4d02b989a397bc7a8cdde90850173f351888c119cc60187cb8934dcc16d

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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