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VersionsVersions

6.2.9200.16384 (win8_rtm.120725-1247) 2.33%
6.2.9200.16384 (win8_rtm.120725-1247) 13.70%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.09%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.03%
6.1.7600.16385 (win7_rtm.090713-1255) 25.90%
6.1.7600.16385 (win7_rtm.090713-1255) 38.45%
6.0.6000.16386 (vista_rtm.061101-2205) 8.09%
6.0.6000.16386 (vista_rtm.061101-2205) 1.68%
6.0.6000.16386 (vista_rtm.061101-2205) 0.40%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.06%
5.1.2600.5512 (xpsp.080413-2111) 5.85%
5.1.2600.5512 (xpsp.080413-2111) 0.31%
5.1.2600.5512 (xpsp.080413-2111) 0.31%
5.1.2600.5512 (xpsp.080413-2111) 0.06%
5.1.2600.5512 (xpsp.080413-2111) 0.22%
5.1.2600.5512 (xpsp.080413-2111) 0.03%
5.1.2600.5512 (xpsp.080413-2111) 0.03%
5.1.2600.5512 (xpsp.080413-2111) 0.19%
5.1.2600.5512 (xpsp.080413-2111) 0.03%
5.1.2600.5512 (xpsp.080413-2111) 0.03%
5.1.2600.5512 (xpsp.080413-2111) 0.12%
5.1.2600.5512 (xpsp.080413-2111) 0.16%
5.1.2600.5512 (xpsp.080413-2111) 0.19%
5.1.2600.5512 (xpsp.080413-2111) 0.06%
5.1.2600.3300 (xpsp.080125-2028) 0.03%
5.1.2600.3244 (xpsp.071030-1537) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 1.31%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%
5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 0.03%

Relationships

csrss.exe

Client Server Runtime Process by Microsoft

This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

csrss.exe has 34 known versions, the most recent one is 6.2.9200.16384 (win8_rtm.120725-1247). csrss.exe is run as a standard windows process in the context of the SYSTEM account with extensive privileges. During installation the program adds a job to the Task Scheduler. The average file size is about 6.25 KB. During the process's lifecycle, the typical CPU resource utilization is about 0.0047% including both foreground and background operations, the average private memory consumption is about 3.98 MB with the maximum memory reaching around 15.25 MB. Addionally, typically read and write I/O disk operations is about 11.52 KB per minute for reads and 0 Bytes per minute for writes.

What is csrss.exe?

Client/Server Runtime Subsystem, or csrss.exe, is a component of the Microsoft Windows NT operating system that provides the user mode side of the Win32 subsystem and is included in Windows 2000, XP, 2003, Vista, Server 2008 and 7. Because most of the Win32 subsystem operations have been moved to kernel mode drivers, in Windows NT 4 and later CSRSS is mainly responsible for Win32 console handling and GUI shutdown.

About csrss.exe (from Microsoft)

CSRSS runs as a user-mode system service. When a user-mode process calls a function involving console windows, process/thread creation, or Side-by-Side support, instead of issuing a system call, the W

DetailsDetails

File name:csrss.exe
Publisher:Microsoft Corporation
Product name:Client Server Runtime Process
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\csrss.exe
Original name:CSRSS.Exe.MUI

BehaviorsBehaviors

(Note, the behaviors below are for all versions of csrss.exe, select a unique version for details.)
Scheduled task
  • Entry path '\{1B908455-E233-4AF6-9EA8-FB47FE9E21E2}'

VersionsAll file variations of csrss.exe

MD5SHA-1File size
438037f7ef3afd8220ba5abd2a9b64b7 eab35735b0f938559c2b8a345a31d4dc72f8d57a 6.5 KB
0d9f14739d05f8b8b028b539fc6f1f29 032afcc3091dceb8f4cce35fa86cfa70fdf22fca 7.5 KB
3764a8dff17ed6c1b6f54399cf2278f3 8663f203af56ed8ec0403ac8d4b09661348aff47 7.5 KB
5d2d5a2595936417e7cbaf693835f54a 4be74bc600aad5506d4a922b311c764885924b78 6.5 KB
ab53085cc1fa4b9bcde56e3fc67bfd3d f284eee59cc28201aba33dd1dbc3c3a4e8d84a9b 6 KB
342271f6142e7c70805b8a81e1ba5f5c 53bc9b2ae89fcad6197ec519ae588f926c88e460 6 KB
60c2862b4bf0fd9f582ef344c2b1ec72 17542707a3d9fa13c569450fd978272ef7070a77 7.5 KB
abca209eba02cb59233614db83b4f50d f3a49c0d42455daa097bcfb6455f8f31c20afbf8 6 KB
b4abe68596b173ff2ab2076bc7c35eb4 7122ce27e59329c1d6833007dd9c937ee2c7841a 7.5 KB
117b7c8a8b026a5dce5e3180ed05e823 927392b285fcf8947f5ef104d6f19426599e8e35 7.5 KB
c3609d447dde6a0396cecb54ce1c4ac4 bb20203586a440ae3f56951ac4b6066f7169fa23 6 KB
44f275c64738ea2056e3d9580c23b60f 9b81fe32842db93292a59a87e73ca113701f7e3b 6 KB
6ae96dbb893a88b732952a46507fde6d 154a6f27d93c21db1981aaf809a7db1496c95701 6 KB
e0e8a531cfce1c2e5d79f683282c10c3 6db829fd9d83a97ee8cf993338b63b2967455ba0 6 KB
f4dfceee84a86a6c593077f44bb18155 4d35907f23e84f47aaffbd93eb34df519f9ab848 6 KB
485f449f57b0f8d306db884fc2f7ad45 38a5d070ef712d03cd7250359445ce3e70cf2b4b 6 KB
628ce66e3fd35bfc7969dbac245dc069 7080561159c0755038f9e974f23a39e76acb0a5f 6 KB
f18d8dc1895de3fffae84f3b0a763ba6 8cac89189e06d61a098d091a96a75922899d2c7c 6 KB
9b22aae3566aefee33ce498dbe0d2fd2 00ea3c45b5168cd204d021325f5853f9e9564e35 6 KB
70f32a8a74e60dfe6de22218a0d43b3e c0f9c3efef1cf0062ec47d1715140508855320d0 6 KB
56332b8fb030700e276e0ea5314b1ba6 7c19e97777b6766200935678eba3149793aa67ea 6 KB
cdacc26997a7a38f7806697fdce8d83d a1a27b3cb8e08b3de180ae8d50d95af34031d627 6 KB
16e2250647e63e03c24fd7dfe99af282 91f45d7162a2cc03bc7cce4478fb00db84d47113 6 KB
7a2dff483095773cc201420fad11862f 202bcfc82f3315a410873f966e94218032530909 6 KB
73c067420713ecddb5f964f7592fd2c1 e04ef2d278c5ea830277b6520b2c0354fa2b8edb 6 KB
c546d67d3372d2312cdc86cb328879be 675803bd6a35f6508ae4319553a9f5a2bd95749a 6 KB
a6c337180805bbf9678bf7ff0ba6d2af 59df800920b491bb78701df80ba73b80358cd4f9 6 KB
f12b178b1678d778cfd3ff1fc38c71fb d9aa29288951e94773caa1054237d29734e79f34 6 KB
a503973fb26bc316bbb4b834e79b609f 5e821eb0087c8f180a7242e0c4fdff2234cbd63f 6 KB
ee54fc60a3e14f17f42aec9473c7dea8 ab5955bfcafe178d9b0ffb5086481fc936cfea88 6 KB
6edca12f58a4513637af2debb1629bc8 0d57bf29cd96d1f95082a3f5ecbd444808f37189 6 KB
fb4d840d43f1273777276ec6302219e2 e16dd70c4329e4fa6c8ecf0530ab614bb8c48adf 6 KB
78c1f1278cf2c9b476504c572cb98e5e 1fe0c5c7731851daf1ea0afdc8414ebbff732172 6 KB
5906a8a851f83e8e7554a94a4c180662 498416c9a4dba6d236582128381a44345c06d23c 6 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 37.50%
Windows 7 Ultimate 30.75%
Windows 7 Professional 9.25%
Windows Vista Home Premium 9.25%
Windows 7 Home Basic 3.75%
Windows 8 Pro 2.50%
Windows Vista Home Basic 2.00%
Windows 7 Enterprise 1.00%
Windows Vista Ultimate 1.00%
Windows 7 Starter 1.00%
Windows Seven Black Edition 0.50%
Windows 8 0.50%
Windows 8 Enterprise 0.50%
Windows 7 Home Premium N 0.50%

Distribution by countryDistribution by country

United States installs about 37.00% of Client Server Runtime Process.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 18.62%
Hewlett-Packard 18.44%
ASUS 13.78%
Acer 11.17%
Toshiba 10.80%
Lenovo 6.70%
Sony 6.70%
Intel 4.47%
GIGABYTE 1.86%
NEC 1.49%
Samsung 1.12%
Alienware 0.74%
MSI 0.74%
Apple 0.74%
Gateway 0.74%
American Megatrends 0.74%
Medion 0.74%
Packard Bell 0.37%
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