Fix System.Web.Entity.Design.dll DLL Errors and Download Now

Last Updated: 12/02/2023
[Time to Read Article: 5 minutes]

System.Web.Entity.Design.dll is considered a type of .NET Framework file. It is most-commonly used in Microsoft® .NET Framework developed by Microsoft. It uses the DLL file extension and is considered a Win32 DLL (Dynamic link library) file.

The first version of System.Web.Entity.Design.dll was released for the Windows 7 Operating System on 07/22/2009 inside Windows 7. The newest file release date for Microsoft Visual Studio 2010 Ultimate 2010 was 04/12/2010 [version 4.0.30319.1 built by: RTMRel]. System.Web.Entity.Design.dll is packaged with Microsoft Visual Studio 2010 Ultimate 2010, PrimoPDF 5.1.0.2, and Windows 10.

This article discusses complete file details, DLL file troubleshooting instructions for problems with System.Web.Entity.Design.dll, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)


Recommended Download: Fix System.Web.Entity.Design.dll / Microsoft Visual Studio 2010 Ultimate-related registry issues with WinThruster.

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File Overview


General Information
File Name: System.Web.Entity.Design.dll
File Extension: DLL file extension
Description: .NET Framework
Object File Type: Dynamic link library
Comments: Flavor=Retail
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corporation
Software Program: Microsoft® .NET Framework
Legal Copyright: © Microsoft Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Private build
File Flags Mask: 0x003f
Entry Point: 0xe846
Code Size: 51712


What are System.Web.Entity.Design.dll Error Messages?


Dynamic Link Library System.Web.Entity.Design.dll Errors

System.Web.Entity.Design.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like System.Web.Entity.Design.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Microsoft Visual Studio 2010 Ultimate) could share the same System.Web.Entity.Design.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when System.Web.Entity.Design.dll is attempted to be loaded either when Microsoft Visual Studio 2010 Ultimate is starting up, or in some cases already running. Some of the most common System.Web.Entity.Design.dll errors include:

Your System.Web.Entity.Design.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Visual Studio 2010 Ultimate), or deleted by a malware infection. Furthermore, System.Web.Entity.Design.dll file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading System.Web.Entity.Design.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix System.Web.Entity.Design.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your System.Web.Entity.Design.dll issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the System.Web.Entity.Design.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Visual Studio 2010 Ultimate (or related software), uninstall then try reinstalling Microsoft Visual Studio 2010 Ultimate software.

You can uninstall Microsoft Visual Studio 2010 Ultimate software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Microsoft Visual Studio 2010 Ultimate 2010 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Visual Studio 2010 Ultimate software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Microsoft Visual Studio 2010 Ultimate 2010

Microsoft Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many System.Web.Entity.Design.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the System.Web.Entity.Design.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your System.Web.Entity.Design.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate System.Web.Entity.Design.dll file version. We maintain a comprehensive database of 100% malware-free System.Web.Entity.Design.dll files for every applicable version of Microsoft Visual Studio 2010 Ultimate. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download System.Web.Entity.Design.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Visual Studio 2010 Ultimate folder location:
    Windows 7: C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\
    Windows 7: C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\
    Windows 7: C:\Windows\assembly\GAC_MSIL\System.Web.Entity.Design\3.5.0.0__b77a5c561934e089\
    Windows 8: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
    Windows 8: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Web.Entity.Design\v4.0_4.0.0.0__b77a5c561934e089\
    Show 11 more directories +
    Windows 8.1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
    Windows 8.1: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Web.Entity.Design\v4.0_4.0.0.0__b77a5c561934e089\
    Windows 10: C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\
    Windows 10: C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\
    Windows 10: C:\Windows\WinSxS\amd64_netfx35linq-system.web.entity.design_31bf3856ad364e35_10.0.16299.15_none_bbe772cf842af033\
    Windows 10: C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\
    Windows 10: C:\Windows\assembly\GAC_MSIL\System.Web.Entity.Design\3.5.0.0__b77a5c561934e089\
    Windows 10: C:\Windows\WinSxS\msil_system.web.entity.design_b77a5c561934e089_10.0.16299.15_none_6154b6198b756dc8\
    Windows 10: C:\Windows\WinSxS\x86_netfx35linq-system.web.entity.design_31bf3856ad364e35_10.0.16299.15_none_5fc8d74bcbcd7efd\
    Windows 10: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
    Windows 10: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Web.Entity.Design\v4.0_4.0.0.0__b77a5c561934e089\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve System.Web.Entity.Design.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download System.Web.Entity.Design.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying System.Web.Entity.Design.dll to your appropriate Windows system directory. Microsoft typically does not release Microsoft Visual Studio 2010 Ultimate DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing System.Web.Entity.Design.dll and all other DLL files for Microsoft Visual Studio 2010 Ultimate. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 8.1
Windows 8
Windows 7


Files Related to System.Web.Entity.Design.dll


DLL Files Related to System.Web.Entity.Design.dll

File Name Description Software Program (Version) File Size (bytes) File Location
Microsoft.VisualStudio... Microsoft.VisualStudio.Tools.Office.Excel.AddInProxy.v9.0.dll Microsoft (R) Visual Studio (R) 2008 (9.0.30729.4130) 53248 C:\Users\Tester\AppData\Local\Microsoft\Windows...
Microsoft.VisualStudio... VSPerf Managed Performance Control DLL Microsoft® Visual Studio® 2010 (10.0.30319.1) 44928 C:\Windows\ServiceProfiles\LocalService\AppData...
System.Web.Services.dll .NET Framework Microsoft® .NET Framework (2.0.50727.3053) 288616 C:\Windows\System32\Sysprep\Panther\
api-ms-win-crt-runtime... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 15720 C:\Users\Tester\AppData\Local\
Microsoft.VisualStudio... Microsoft.VisualStudio.Tools.Office.ContainerControl.dll Microsoft (R) Visual Studio (R) 2010 (10.0.30319.1) 76200 C:\Users\Tester\AppData\Local\Microsoft\Windows...

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File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows Vista 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 10 6201 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 7 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\


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