How to Repair Aspnet_perf.dll? Download Now

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

Aspnet_perf.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_perf.dll related errors on your device. You can also download Aspnet_perf.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_perf.dll errors

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

4.1 List of Aspnet_perf.dll file versions

File info

General information
Filename	Aspnet_perf.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	42672
Oldest file	2009-04-11
Latest file	2017-03-18

Most common Aspnet_perf.dll file related problems

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

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

Aspnet_perf.dll

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

Problems related to Aspnet_perf.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_perf.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_perf.dll errors in just few steps?

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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of Aspnet_perf.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\Framework64\v2.0.50727\
Windows 7: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your Aspnet_perf.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_perf.dll

System Windows 10

File size 42672 bytes

Date -0001-11-30

Download

File details
	MD5	28f7cbfe4e1b7b079cde97a4f759a04f
	SHA1	ea7f0a8c8149661eb711b6ed062749a918b9fd90
	SHA256	f2eb4bac3342b51a6789878bc83d03517d98ca2a148c2f2cd7caab2eaf3170b1
	CRC32	594adc91
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename Aspnet_perf.dll

System Windows 8.1

File size 41560 bytes

Date -0001-11-30

Download

File details
	MD5	31920e5a141b27c60612b843007f9eed
	SHA1	71bc8e7ba3281b4cd75fb6d032b6ad149ba8d532
	SHA256	6161771fe9d426e92985fa6a1ce9e3e0ad4eba0475a011eb742bf26369228b0e
	CRC32	5bcabc57
	Example file location	C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename Aspnet_perf.dll

System Windows 8

File size 41912 bytes

Date -0001-11-30

Download

File details
	MD5	4c00e3bd15d83c1118ab6af0fda3dfec
	SHA1	014eb74745a1bd2a78704ff8d8894133bb68e64c
	SHA256	3acc3bae02eab9d931f30694073958d5da44ef28af8a65063b62770319fa6aaf
	CRC32	372054b6
	Example file location	1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\

Filename Aspnet_perf.dll

System Windows 7

File size 37720 bytes

Date -0001-11-30

Download

File details
	MD5	8114d50dfa0a701028f55d97df6e6260
	SHA1	350ef52cb2bccf88076eb988e898c1251bf6fc5b
	SHA256	6689c1a2d9183d4a39f974c581932dd05cdb5589c05e067eaa7ee791f00f7cbf
	CRC32	5f0c2c24
	Example file location	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\

Filename Aspnet_perf.dll

System Windows 7

File size 30552 bytes

Date -0001-11-30

Download

File details
	MD5	9caa912445da4517f952d008dc7198c7
	SHA1	e4c0e487e677d97b6bac1fb9688a3c7607a477f4
	SHA256	9b08f73eda37d4100dd5ef77e21e10cc9902c85f6e00a3ef8798bcf248940c4f
	CRC32	72b7052f
	Example file location	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\

Filename Aspnet_perf.dll

System Windows Vista

File size 37720 bytes

Date -0001-11-30

Download

File details
	MD5	936f993610e6a49e3372501b295dfee2
	SHA1	72537b382bd0d99691e0aa87e43e4ee4b1fc90fa
	SHA256	2c0d4a4b152b82fec4e2fde0ba385289379fadf658b84886516bff8b7280009d
	CRC32	8fa18ea7
	Example file location	---

Filename Aspnet_perf.dll

System Windows Vista

File size 30552 bytes

Date -0001-11-30

Download

File details
	MD5	df47aa29e25e74e9ee34cdfc3676d6b6
	SHA1	93408dafee4c3e78acf5ac12ffe5703055d6d006
	SHA256	cb2d7117709498a78b9461df6c2e8fed13c2fcdf72920c3569b76fc07a6e3ff5
	CRC32	ce90b2f7
	Example file location	---