Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.0.30319.34014 built by: FX45W81RTMGDR 0.02%
4.0.30319.32559 built by: FX45BLUEMPREL 0.02%
2.0.50727.8000 (FX35W81RTMGDR.050727-8000) 0.05%
2.0.50727.7512 (win9rel.050727-7500) 0.02%
2.0.50727.6400 (Win8RTMGDR.050727-6400) 0.07%
2.0.50727.5738 (QFE.050727-5700) 0.02%
2.0.50727.5737 (QFE.050727-5700) 0.07%
2.0.50727.5737 (QFE.050727-5700) 0.02%
2.0.50727.5662 (QFE.050727-5600) 0.07%
2.0.50727.5477 (Win7SP1GDR.050727-5400) 4.79%
2.0.50727.5477 (Win7SP1GDR.050727-5400) 0.12%
2.0.50727.5472 (Win7SP1GDR.050727-5400) 9.47%
2.0.50727.5472 (Win7SP1GDR.050727-5400) 3.50%
2.0.50727.5466 (Win7SP1GDR.050727-5400) 23.31%
2.0.50727.5466 (Win7SP1GDR.050727-5400) 10.61%
2.0.50727.5456 (Win7SP1GDR.050727-5400) 2.36%
2.0.50727.5456 (Win7SP1GDR.050727-5400) 1.31%
2.0.50727.5448 (Win7SP1GDR.050727-5400) 0.33%
2.0.50727.5448 (Win7SP1GDR.050727-5400) 0.12%
2.0.50727.5446 (Win7SP1GDR.050727-5400) 0.02%
2.0.50727.5420 (Win7SP1.050727-5400) 2.03%
2.0.50727.5420 (Win7SP1.050727-5400) 3.94%
2.0.50727.4984 (win7RTMGDR.050727-4900) 1.89%
2.0.50727.4984 (win7RTMGDR.050727-4900) 2.24%
2.0.50727.4971 (win7RTMGDR.050727-4900) 0.62%
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Relationships

mscorlib.dll

Microsoft .NET Framework by Microsoft Corporation (Signed)

Remove mscorlib.dll
Version:   2.0.50727.3053 (netfxsp.050727-3000)
MD5:   0e6abf2107c72f5fa86ee620be315ca0
SHA1:   2c4f9d104b11e8595e7a261329c6c75f8f3cdda9
SHA256:   bb8d10260f88cece20268b8c9da7f353a5808b8fa661d28d2c64d06f2a18b6ee
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is mscorlib.dll?

Microsoft Common Language Runtime Class Library 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 mscorlib.dll (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:mscorlib.dll
Publisher:Microsoft Corporation
Product name:Microsoft® .NET Framework
Description:Microsoft Common Language Runtime Class Library
Typical file path:C:\windows\microsoft.net\framework\v2.0.50727\mscorlib.dll
File version:2.0.50727.3053 (netfxsp.050727-3000)
Product version:2.0.50727.3053
Size:4.34 MB (4,546,560 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Thursday, April 24, 2014
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

ResourcesPrograms

The following programs will install this file
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 Forms and ASP.NET Web server control versions of the Report Viewer.

BehaviorsBehaviors

PROTOCOLS filters
  • application/x-msdownload
  • application/x-complus
  • application/octet-stream
Internet Explorer bars
  • CLSID: {46857999-9b7c-4895-9d22-81a4a2478868}
  • CLSID: {3142c289-f319-47f5-a594-a827028714c9}
  • CLSID: {10EDB994-47F8-43F7-AE96-F2EA63E9F90F}
  • CLSID: {5802D092-1784-4908-8CDB-99B6842D353D}
PROTOCOLS handlers
  • qbwc
Internet Explorer Browser Helper Object
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects'
  • BHO CLSID: {54b0116e-be2b-4904-a6e0-c9b116bbb498}
  • BHO CLSID: {61e0ef7a-9bc0-45ea-9b2f-f3e9f02692bd}
  • BHO CLSID: {10EDB994-47F8-43F7-AE96-F2EA63E9F90F}
Internet Explorer toolbars
Located in the registry at 'SOFTWARE\Microsoft\Internet Explorer\Toolbar'
  • CLSID: {ae07101b-46d4-4a98-af68-0333ea26e113}
  • CLSID: {fe704bf8-384b-44e1-8cf2-8dbeb3637a8a}
  • CLSID: {10EDB994-47F8-43F7-AE96-F2EA63E9F90F}
Internet Explorer extensions
  • CLSID: {726b41b7-8f98-4ad6-8a76-c42e26438824}
Safe for scripting controls
Marked as a safe ActiveX control for Internet Explorer (digitally signed with script execution permission)
  • Implemented as 'CLSID\{BDDE678A-70B4-4fc1-B70B-B4BCFD9DED40}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
Safe for initializing controls
  • {BDDE678A-70B4-4fc1-B70B-B4BCFD9DED40}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 59.00%
Windows 7 Ultimate 22.50%
Windows 7 Professional 13.50%
Windows Seven Black Edition 1.50%
Windows 7 Home Basic 1.50%
Windows 8.1 Pro 1.00%
Windows 8.1 0.50%
Windows Vista Home Premium 0.50%

Distribution by countryDistribution by country

United States installs about 61.00% of Microsoft® .NET Framework.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 28.57%
Hewlett-Packard 19.69%
Toshiba 14.67%
Acer 13.13%
ASUS 9.27%
Sony 6.95%
Alienware 2.32%
Samsung 2.32%
GIGABYTE 2.32%
Lenovo 0.77%
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