Saturday, January 8, 2011

Windows XP Processes - csrss.exe

csrss.exe

What is csrss.exe?

csrss.exe - Client/Server Runtime Server Subsystem  


The Microsoft Client Server Run time Server subsystem utilizes the process csrss.exe for managing the majority of the graphical instruction sets under the Microsoft Windows operating system. As such csrss.exe provides the critical functions of the operating system, and its termination can result in the Blue Screen of Death being displayed.


csrss.exe is responsible for console windows, creating and/or deleting threads, and some parts of the 16-bit virtual MS-DOS environment.

Location:
 
C:\Windows\System32

Importance of csrss.exe
  • csrss.exe controls threading and Win32 console window features. Threading is where the application splits itself into multiple simultaneous running tasks. Threads supported by csrss.exe are different from processes in that threads are commonly contained within the process, with various threads sharing resources within the same process. The Win32 console is the plain text window in the Windows API system (programs can use the console without the need for image display).
  • In mobile devices such as notebooks and laptops, the process csrss.exe is closely dependent on power management schemes implemented by the system as defined under the Control Panel option.
  • csrss.exe is a system process that is needed for your Windows system to work properly. It should not be removed.
  • This process is considered to be CPU intensive. Without proper management, CPU intensive processes can manipulate system resources and slows down computer.

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