Troubleshoot aspnet_regiis.exe Errors and Download File

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

aspnet_regiis.exe file Windows Executable. 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_regiis.exe related errors on your device. You can also download aspnet_regiis.exe 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.

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

File info

General information
Filename aspnet_regiis.exe
File extension EXE
Type Executable Application
Description Windows Executable
Program Windows 10
Software Windows
Author Microsoft
Software version 10
File size 41144
Oldest file 2009-04-11
Latest file 2017-03-18

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

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



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


Problems related to aspnet_regiis.exe 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_regiis.exe 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.

aspnet_regiis.exe 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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with aspnet_regiis.exe 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.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to aspnet_regiis.exe file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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_regiis.exe 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

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_regiis.exe file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the aspnet_regiis.exe file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the aspnet_regiis.exe file error occured. In order to restore your system, follow the instructions below

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

If all the above-mentioned methods failed and the aspnet_regiis.exe 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_regiis.exe file

The last solution is to manually download and replace aspnet_regiis.exe 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_regiis.exe file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of aspnet_regiis.exe 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_regiis.exe 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_regiis.exe
System Windows 10
File size 41144 bytes
Date -0001-11-30
File details
MD5 3cd6f502093ca66803f3b0bd7e3e1bff
SHA1 ee21f4eff570f923b4da650303b888522ab2ce19
SHA256 f738efa98c491867b75078ec7c4ac06a4b68feb836e6733f5a2770772d09ac41
CRC32 bf48e9ac
Example file location C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename aspnet_regiis.exe
System Windows 8.1
File size 41056 bytes
Date -0001-11-30
File details
MD5 8881c617f234d341b2f3350b0f21c9ce
SHA1 5609285d784649c84a6445a7cc231293ebcea4e5
SHA256 0dcdde0b9d1bf0744f53bfef40bf2bb9a32bcbb92ab8637ec3d1df80083f2e74
CRC32 78865627
Example file location C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename aspnet_regiis.exe
System Windows 8
File size 41408 bytes
Date -0001-11-30
File details
MD5 91187dc987f963717ea2107fb4fd6a19
SHA1 6f07e312462b377b1b3fb92e265ea5bb68c79b73
SHA256 992bfbdcb9fe2bcea7271cd4e2d4d7db98293d4955b9d08325786dfc82f593f3
CRC32 13efea7a
Example file location 1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Filename aspnet_regiis.exe
System Windows 7
File size 30040 bytes
Date -0001-11-30
File details
MD5 2077658710eeecf8fc9ba3416fd8690f
SHA1 3bb174296276766de795b9f1eece7abcbc077cc8
SHA256 39941c00a818ab56219b57574fa7ad01b389b976cf069f1dc717a958393edb9c
CRC32 cb70567a
Example file location C:\Windows\Microsoft.NET\Framework\v2.0.50727\
Filename aspnet_regiis.exe
System Windows 7
File size 44888 bytes
Date -0001-11-30
File details
MD5 52ec3d5eb8d3a277a831886efb1daaae
SHA1 1b7f69101f3e9d8ffb594d11325576beee5a3457
SHA256 8f85f91983c7df7d38ca2642226da14c22734e7a7bf8a55f349391d76f554fcf
CRC32 747af746
Example file location C:\Windows\Microsoft.NET\Framework\v2.0.50727\
Filename aspnet_regiis.exe
System Windows Vista
File size 44888 bytes
Date -0001-11-30
File details
MD5 69f5300c4909e58befaa9ab823272e9e
SHA1 5581992f5b5123d72aa4a75878f4b53843308488
SHA256 43d390662c679c5ff3ca0d8da2913b8307e2296ebe42d689d2cf578f8c78e5fa
CRC32 dddeff18
Example file location ---
Filename aspnet_regiis.exe
System Windows Vista
File size 30024 bytes
Date -0001-11-30
File details
MD5 ca6029356d4a1dec5182fcb33661180c
SHA1 e626b2d94bbd2f43baf2c41b0cd9eb008967ac0f
SHA256 c1dd2f643c7d480032df285cf8a69454afb907ee2968db868a9c7cb385f63d16
CRC32 9598c43c
Example file location ---