What is the use of WPFFontCache Service in WPF WPFFontCache v0400 exe taking 100 CPU all the time this exe is running why

Question

What is acutally the functionality of WPFFontCache in WPF   Sometime it is takeing too much CPU usage because of this system in hanging and my Application  Is there any problem disabling the service from the windows service  The big concern is why it is hanging my Application

User · Answer

Shortcut way   windows xp   1  click Start   run   services msc   2  Scroll down to  Windows Presentation Foundation Font Cache 4 0 0 0   and then right click and select properties

User · Answer

for win xp  Steps    windows key    R  type services msc  search for the running instance of  Windows Presentation Foundation  WPF  Font Cache   For my case its 4 0  Stop the service   windows key    R  type C  Documents and Settings LocalService Local Settings Application Data   delete all font cache files  Start the  Windows Presentation Foundation  WPF  Font Cache  service

User · Answer

From MSDN      The WPF Font Cache service shares font data between WPF applications  The first WPF application you run starts this service if the service is not already running  If you are using Windows Vista  you can set the  Windows Presentation Foundation  WPF  Font Cache 3 0 0 0  service from  Manual   the default  to  Automatic  Delayed Start   to reduce the initial start-up time of WPF applications    There s no harm in disabling it  but WPF apps tend to start faster and load fonts faster with it running  It is supposed to be a performance optimization  The fact that it is not in your case makes me suspect that perhaps your font cache is corrupted  To clear it  follow these steps    Stop the WPF Font Cache 4 0 service  Delete all of the WPFFontCache v0400  files  In Windows XP  you ll find them in your C  Documents and Settings LocalService Local Settings Application Data  folder  Start the service again

User · Answer

Use This its is very useful for your solution    Start   Control Panel   Administrative Tools   Services Scroll down to  Windows Presentation Foundation Font Cache 4 0 0 0  and then right click and select properties In the window then select  disabled  in the startup type combo

User · Answer

After installing Free BitDefender AntiVirus the services related to the AntiVirus used about 80 MB of my computer s Memory  I also noticed that after installing BitDefender the service related to windows Presentation Font Cache was also installed   WPFFontCache v0300 exe   I disabled the service from stating automatically and now BitDefender Free AntiVirus use only 15-20 MB       of my computer s Memory  As far as I concern  this service affected negatively the memory usage of my PC inother services  I recommend you to disable it

[wpf] What is the use of WPFFontCache Service in WPF? WPFFontCache_v0400.exe taking 100 % CPU all the time this exe is running, why?

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