How to Download and Fix System.Web.Extensions.Design.dll?

Sometimes Windows system displays error messages regarding corrupted or missing System.Web.Extensions.Design.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent System.Web.Extensions.Design.dll file can therefore effect in failed execution of the started process.

System.Web.Extensions.Design.dll file Dynamic Link Library. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of System.Web.Extensions.Design.dll related errors on your device. You can also download System.Web.Extensions.Design.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7

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Fix System.Web.Extensions.Design.dll errors

1 Information about System.Web.Extensions.Design.dll file
2 Errors related to System.Web.Extensions.Design.dll file
3 How to fix System.Web.Extensions.Design.dll related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download System.Web.Extensions.Design.dll

4.1 List of System.Web.Extensions.Design.dll file versions

File info

General information
Filename	System.Web.Extensions.Design.dll
File extension	DLL
Type	Dynamic Link Library
Description	Dynamic Link Library

Software
Program	Windows 10
Software	Windows
Author	Microsoft
Software version	10

Details
File size	353168
Oldest file	2010-11-21
Latest file	2017-03-18

Most common System.Web.Extensions.Design.dll file related problems

There are various types of errors related to System.Web.Extensions.Design.dll file. System.Web.Extensions.Design.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to System.Web.Extensions.Design.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

System.Web.Extensions.Design.dll is corrupted
System.Web.Extensions.Design.dll cannot be located
Runtime Error - System.Web.Extensions.Design.dll
System.Web.Extensions.Design.dll file error
System.Web.Extensions.Design.dll file cannot be loaded. Module was not found
cannot register System.Web.Extensions.Design.dll file:
System.Web.Extensions.Design.dll file could not be loaded
System.Web.Extensions.Design.dll file doesn't exist

System.Web.Extensions.Design.dll

Application could not be started because System.Web.Extensions.Design.dll file is missing. Reinstall the application to solve the problem.

Problems related to System.Web.Extensions.Design.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing System.Web.Extensions.Design.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix System.Web.Extensions.Design.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

System.Web.Extensions.Design.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with System.Web.Extensions.Design.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to System.Web.Extensions.Design.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of System.Web.Extensions.Design.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to System.Web.Extensions.Design.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the System.Web.Extensions.Design.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the System.Web.Extensions.Design.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the System.Web.Extensions.Design.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace System.Web.Extensions.Design.dll file

The last solution is to manually download and replace System.Web.Extensions.Design.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded System.Web.Extensions.Design.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of System.Web.Extensions.Design.dll file example directory paths.

Windows 10: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Windows 8.1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Windows 8: 1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Windows 7: ---
Windows 7: ---

If the steps did not solve your System.Web.Extensions.Design.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename System.Web.Extensions.Design.dll

System Windows 10

File size 353168 bytes

Date -0001-11-30

Download

File details
	MD5	67b834b63f8d9de9564374a4e12e79c9
	SHA1	8e448abc90eda5e1d2c681ac707c198bf8e3b69b
	SHA256	70ed570e535ee463775161574aade957a8bc34689e34b7e4454798f7b3556cff
	CRC32	6bde2a0b
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename System.Web.Extensions.Design.dll

System Windows 8.1

File size 354472 bytes

Date -0001-11-30

Download

File details
	MD5	792c3d58305cdfed971718f1f96fac9c
	SHA1	562f57934cd91068f8be3759beab0fc63c3538f5
	SHA256	a38fa7e976a392445d685cc6767c0a9b8378e018fd4bbf8ce99664705cc6669f
	CRC32	a8085102
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename System.Web.Extensions.Design.dll

System Windows 8

File size 354304 bytes

Date -0001-11-30

Download

File details
	MD5	61fb306bc6507207261b8ca052350d27
	SHA1	234526b0161536b5e087a6700dace6bc451a7525
	SHA256	73f0aece25cd579bed7cf8af30187f7246c490681a5d88a994ab2298531929b1
	CRC32	35ce7c10
	Example file location	1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename System.Web.Extensions.Design.dll

System Windows 7

File size 335872 bytes

Date -0001-11-30

Download

File details
	MD5	281ce8e88f0160b1b079d49444caf8fb
	SHA1	380825de4f170dff7880d6c074e1348c05289422
	SHA256	ddbcc85bdb7553b930357ed3474f519ca171f1339f5dff47bab1a5a461b90590
	CRC32	4804dae7
	Example file location	---

Filename System.Web.Extensions.Design.dll

System Windows 7

File size 335872 bytes

Date -0001-11-30

Download

File details
	MD5	c935e89c6f71f188282632f35a04d0c1
	SHA1	e7e1393b74aa15494fea839c69358017c6473d21
	SHA256	46f06f92c01dfb0418ecf0a8c7d42895102882ae6bbc0db620608f9f88706f45
	CRC32	ce101e34
	Example file location	---