Enterprise search freezes or high CPU usage

Issue description

Enterprise search window freeze sometimes. If you click in the window you can search. It could be as well that there is a high CPU usage.

 


Troubleshooting steps/tips

  1. Check the system performance.
  2. Check if the .NET Framework 3.5 SP1 is properly installed
  3. Check the graphic card driver version (update if necessary)
  4. In case of direct X 9 graphic adapter - deactivate HW acceleration

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Avalon.Graphics\DisableHWAcceleration]

The disable hardware acceleration option enables you to turn off (set its DOWRD value to 1) hardware acceleration for debugging and test purposes


Solution

Configure windows for the best performance settings

(Windows Computer > Right Click: Properties > Advanced System Settings -> Tab Advanced:Performance:Settings > Adjust for best performance)

 

Fix the font cache

1. Run services.msc
2. Stop Windows Presentation Foundation Font Cache 3.0.0.0 service
3. Delete FontCache3.0.0.0.dat
       in XP: %systemdrive%\Documents and Settings\LocalService\Local Settings\Application Data
       in Vista/Windows7: %windir%\ServiceProfiles\LocalService\AppData\Local
4. Delete the file C:\Windows\System32\FNTCACHE.DAT
5. Restart the machine

Reference:
http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/7cc032c1-5f4d-4518-adc6-f53afd051e6b
http://stackoverflow.com/questions/7249507/wpf-application-freezes-windows-7

 

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