VersionsVersions

4.0.30319.34209 built by: FX452RTMGDR 0.02%
4.0.30319.34209 built by: FX452RTMGDR 0.02%
4.0.30319.18408 built by: FX451RTMGREL 1.86%
4.0.30319.18408 built by: FX451RTMGREL 1.75%
4.0.30319.18331 built by: FX45GDRSTAGE 0.02%
4.0.30319.18331 built by: FX45GDRSTAGE 0.02%
4.0.30319.17929 built by: FX45RTMREL 1.73%
4.0.30319.17929 built by: FX45RTMREL 1.28%
4.0.30319.17626 built by: FX45RCREL 0.04%
4.0.30319.17626 built by: FX45RCREL 0.02%
4.0.30319.17379 built by: FXBETAREL 0.04%
4.0.30319.17379 built by: FXBETAREL 0.02%
4.0.30319.1 (RTMRel.030319-0100) 25.98%
4.0.30319.1 (RTMRel.030319-0100) 13.46%
4.0.30128.1 (RC1Rel.030128-0100) 0.02%
4.0.21006.1 (B2Rel.021006-0100) 0.02%
2.0.50727.6387 (Win8RTM.050727-6300) 0.04%
2.0.50727.4927 (NetFXspW7.050727-4900) 26.05%
2.0.50727.4927 (NetFXspW7.050727-4900) 16.48%
2.0.50727.42 (RTM.050727-4200) 0.02%
2.0.50727.4016 (NetFxQFE.050727-4000) 2.79%
2.0.50727.4016 (NetFxQFE.050727-4000) 0.53%
2.0.50727.3053 (netfxsp.050727-3000) 6.39%
2.0.50727.3053 (netfxsp.050727-3000) 0.05%
2.0.50727.3053 (netfxsp.050727-3000) 0.84%
2.0.50727.1433 (REDBITS.050727-1400) 0.51%
2.0.50727.1426 (REDBITS.050727-1400) 0.02%

Relationships

mscorsvw.exe

Microsoft .NET Framework by Microsoft Corporation (Signed)

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

Overview

There are 27 versions of mscorsvw.exe in the wild, the latest version being 4.0.30319.34209 built by: FX452RTMGDR. It is started as a Windows Service called 'Microsoft .NET Framework NGEN v4.0.30319_X86' with the name 'clr_optimization_v4.0.30319_32' and described as “Microsoft .NET Framework NGEN”. . In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 99.21 KB. The file is a digitally signed and issued to Microsoft Corporation by Microsoft Corporation. The programs Microsoft Visual J# 2.0 Redistributable Package, Microsoft Report Viewer Redistributable 2008 and Microsoft Visual J# 2.0 Redistributable Package - SE have been observed as installing specific variations of mscorsvw.exe. During the process's lifecycle, the typical CPU resource utilization is less than 0.01%, the average private memory consumption is about 13 MB with the maximum memory reaching around 15.04 MB. Addionally, typically read and write I/O disk operations is about 247.2 KB per minute for reads and 4.24 KB per minute for writes.

What is mscorsvw.exe?

.NET Runtime Optimization Service for the .NET Framework is a software framework developed by Microsoft that includes a large library and provides language interoperability. Programs written for the .NET Framework execute in a software environment known as the Common Language Runtime (CLR), an application virtual machine that provides services such as security, memory management, and exception handling. The class library and the CLR together make up the .NET Framework.

About mscorsvw.exe (from Microsoft Corporation)

.NET is an integral part of many applications running on Windows and provides common functionality for those applications to run. This download is for people who need .NET to run an application on the

DetailsDetails

File name:mscorsvw.exe
Publisher:Microsoft Corporation
Product name:Microsoft® .NET Framework
Description:.NET Runtime Optimization Service
Typical file path:C:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Wednesday, October 22, 2008
Expiration date:Friday, January 22, 2010
Windows Service
Service name:clr_optimization_v4.0.30319_32
Display name:Microsoft .NET Framework NGEN v4.0.30319_X86
Description:“Microsoft .NET Framework NGEN”
Type:Win32OwnProcess

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Microsoft® .NET Framework.)
Microsoft Corporation
1% remove
The Visual J# Redistributable Package is not intended to run applications written with other Java-language development tools. Applications and services built with Visual J# will run only on the .NET F...
Microsoft Corporation
2% remove
Microsoft Corporation
7% remove
Microsoft Report Viewer control enables applications that run on the .NET Framework to display reports designed using Microsoft reporting technology. This redistributable package contains Windows Form...
Microsoft Corporation
4% remove
The Visual J# Redistributable Package is not intended to run applications written with other Java-language development tools. Applications and services built with Visual J# will run only on the .NET F...

BehaviorsBehaviors

(Note, the behaviors below are for all versions of mscorsvw.exe, select a unique version for details.)
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'clr_optimization_v4.0.30319_32' (Microsoft .NET Framework NGEN v4.0.30319_X86)
  • 'clr_optimization_v4.0.30319_64' (Microsoft .NET Framework NGEN v4.0.30319_X64)
  • 'clr_optimization_v2.0.50727_32' (.NET Runtime Optimization Service v2.0.50727_X86)
  • clr_optimization_v2.0.50727_32
  • 'clr_optimization_v2.0.50727_64'

VersionsAll file variations of mscorsvw.exe

MD5SHA-1File size
f5ab4d2e36625f355e81539239765107 6bed8b335aa58d0ba34ac37b0825870b3dab3594 101.18 KB
9acbe5ec13c2cc95833bfb7636ca8b1a 2e740160f23ac9705c9cbfb776198d16a5114310 121.18 KB
e87213f37a13e2b54391e40934f071d0 6fde2d57350628366b1ac600f4a63a6647f67246 102.68 KB
4aedab50f83580d0b4d6cf78191f92aa 31b6cd4c55a2a24580c321c5532dc0c3626a331b 121.18 KB
397c2677c25cbe213f3270245a401624 09c77abd533fce11e6af1d9173e4a9963b7c92bf 102.68 KB
29139759fcc4e4e0531abe2ea82ce646 688f3978d31d49423045ca082cb86cddd69aefd9 121.18 KB
6d7c8a951af6ad6835c029b3cb88d333 9d1b94cdaf745b73102a72c7f7007b28811f83f5 102.45 KB
86329c35ff23cfef0fb6c0023ba06bce e3529cca09dd0e6c1d44a5bbe310074b6d53bd94 120.95 KB
1ebe1854d94b704d1c0eefaef4711151 93954c7a8273c2c573654321bd8a813328b159ea 102.41 KB
f44a20931fdd77ebfc36b263fd795959 d22b220308966bf3613d1181fba5d0730ba9aa18 120.91 KB
f53e15a89675b7489fabe74f2091568e dc35f093b107d3336ae3f2e2ac4b1292b96491eb 101.55 KB
101d397632b9007df13e9a957ea68e04 88c399fc3c125529bc808e55dabaf9ce58346fcb 121.05 KB
c5a75eb48e2344abdc162bda79e16841 ed4851c89bc80c7a38960bc14686513ac1b3fb47 127.33 KB
c6f9af94dcd58122a4d7e89db6bed29d 02495448c26c177314a3b90b639875c152144d4d 135.33 KB
2d982960e2f904ffd341eeafd703aff4 6d3f74c53257efb007e443706e4a28e1f8ee56bc 127.33 KB
375aa2dc060ec01da3aa49ba45489d4e bccd6f336c6ee7eae803710f73968ba95036f562 126.81 KB
af0caa7fcf672a9a4b28c708ec8f5716 fb2e05a5f4028d964ec43786301107a5407d59d9 88.57 KB
d88040f816fda31c3b466f0fa0918f29 5f2c1b67988654a1cf9d21fd177db11baa329bfb 64.83 KB
d1ceea2b47cb998321c579651ce3e4f8 301f923d9bd1f0c94f6e8b9d5637612281567b05 87.81 KB
3c4d595e7f9b747325aef28b4adcaae5 89f90497085a213e6412465b85882d3c59bb4831 64.69 KB
8ee772032e2fe80a924f3b8dd5082194 be08f466b9a88313c4d9077865594f712cbf6daf 64.81 KB
ce07a466201096f021cd09d631b21540 067474c70d1f7ca67c384bc0f2291d7fce42ba35 87.81 KB
d87acaed61e417bba546ced5e7e36d9c 6beacda3c977838a88b4795bfa42b7ad8fc9a5a2 68 KB
fa58b51ed71c9133e141164eaa7c54eb a0b5b644136c06c44a201a3236929de6f8fc80b6 91 KB
7fa87325900183197bc9710d1ce4c9fa 002d04d62fac26a9d57881329831092cc65fbc16 68 KB
234b1bc2796483e1f5c3f26649fb3388 35655ecc912e07d03a5bb17f694da9dcc058e9c6 68.5 KB
23a2bf0a322a6a92e19a471402436542 d62db3d362cb9def21780de20c37a1d69220b962 68.5 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 59.00%
Windows 7 Ultimate 24.00%
Windows 7 Professional 10.50%
Windows 7 Home Basic 2.50%
Microsoft Windows XP 2.25%
Windows Seven Black Edition 1.00%
Windows Vista Home Premium 0.75%

Distribution by countryDistribution by country

United States installs about 48.23% of Microsoft® .NET Framework.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 25.20%
Hewlett-Packard 20.40%
ASUS 16.00%
Acer 13.60%
Toshiba 12.00%
Sony 5.60%
GIGABYTE 2.40%
Alienware 1.60%
Samsung 1.60%
Lenovo 1.60%
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