aspnet_isapi.dll - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing aspnet_isapi.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 aspnet_isapi.dll file can therefore effect in failed execution of the started process.

aspnet_isapi.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 aspnet_isapi.dll related errors on your device. You can also download aspnet_isapi.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

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

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Fix aspnet_isapi.dll errors

1 Information about aspnet_isapi.dll file
2 Errors related to aspnet_isapi.dll file
3 How to fix aspnet_isapi.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 aspnet_isapi.dll

4.1 List of aspnet_isapi.dll file versions

File info

General information
Filename	aspnet_isapi.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	25776
Oldest file	2008-01-21
Latest file	2017-03-18

Most common aspnet_isapi.dll file related problems

There are various types of errors related to aspnet_isapi.dll file. aspnet_isapi.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 aspnet_isapi.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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

aspnet_isapi.dll

Application could not be started because aspnet_isapi.dll file is missing. Reinstall the application to solve the problem.

Problems related to aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.dll errors in just few steps?

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

aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.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 aspnet_isapi.dll file

The last solution is to manually download and replace aspnet_isapi.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 aspnet_isapi.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of aspnet_isapi.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: C:\Windows\Microsoft.NET\Framework\v2.0.50727\
Windows 7: C:\Windows\Microsoft.NET\Framework\v2.0.50727\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your aspnet_isapi.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 aspnet_isapi.dll

System Windows 10

File size 25776 bytes

Date -0001-11-30

Download

File details
	MD5	1949e70e18d427af0ec6ba2b43b95daa
	SHA1	c8850dd03eceda98ccf10ac4e59cd5e5a2483595
	SHA256	feca10c4ca2495ee2ddb5b3b713db1fc6df67781a0c069ae5851bcb55decfc18
	CRC32	3c460fc2
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename aspnet_isapi.dll

System Windows 8.1

File size 24672 bytes

Date -0001-11-30

Download

File details
	MD5	40f21e8d35e7dfe103b6591ab0f1a4d5
	SHA1	23e30764db6bd66c288be7bb617e0860adbebb95
	SHA256	a801bbf68284537eca5dce6bf86867c115867776b7685174769bd0193b07a7fc
	CRC32	d0da9e9a
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename aspnet_isapi.dll

System Windows 8

File size 24512 bytes

Date -0001-11-30

Download

File details
	MD5	7fc196f945f1130294ea9c20c8c69dc0
	SHA1	c1a6e71598fef382acf0f36d8ec9514289180e7f
	SHA256	ee9a412770c41d8a73f05684142ad7a0c5cbe366b41554f4058fe2d38d8aae8a
	CRC32	0c014651
	Example file location	1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename aspnet_isapi.dll

System Windows 7

File size 14168 bytes

Date -0001-11-30

Download

File details
	MD5	470f965aee23fe3462db9529b892b4e4
	SHA1	3c3cef1458995fccc24b1b5fab1f7f09b4251062
	SHA256	b026f3ac02bcbfe45c55f53152e1cd7781478bcd89e23c0701470538f4688025
	CRC32	9a73bc7d
	Example file location	C:\Windows\Microsoft.NET\Framework\v2.0.50727\

Filename aspnet_isapi.dll

System Windows 7

File size 16200 bytes

Date -0001-11-30

Download

File details
	MD5	dc4670a0d78a033ee33633b1022268a1
	SHA1	8635bb1a41a7081fb9873ca833871b6664565bfe
	SHA256	95c4409946d5aefab4fdfe8b849b653406644ffcb267d6b7d6ca68e8dd557f78
	CRC32	d42502b6
	Example file location	C:\Windows\Microsoft.NET\Framework\v2.0.50727\

Filename aspnet_isapi.dll

System Windows Vista

File size 19464 bytes

Date -0001-11-30

Download

File details
	MD5	0c9905151f5b58a976b7eea8001ecff4
	SHA1	0425e3589123d43a0b4d7276dc32b60efffd283b
	SHA256	122d8d45474f05d9081f588b4921b31c64dfbf85219e2bd8926fa6610c392eb7
	CRC32	2c21668d
	Example file location	---

Filename aspnet_isapi.dll

System Windows Vista

File size 14168 bytes

Date -0001-11-30

Download

File details
	MD5	230c67c60247b2eaa117c230ef7a216c
	SHA1	2bec53c7f01ff6e453e615153008bcbd8471e914
	SHA256	9e2f2b261352c9ad80867e4510d59da597dca8ce9445b28e2db235671451c674
	CRC32	ecc8168d
	Example file location	---