Repair and Download avrt.dll Now

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

avrt.dll file Multimedia Realtime Runtime. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of avrt.dll related errors on your device. You can also download avrt.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.

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

File info

General information
Filename avrt.dll
File extension DLL
Description Multimedia Realtime Runtime
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to avrt.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 avrt.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.

avrt.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

Virus Scan

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

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to avrt.dll 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 avrt.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

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

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

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

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your avrt.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 avrt.dll
System Windows 10
File size 28992 bytes
Date 2017-03-18
File details
MD5 5368eb21e6ff2f9c35e4332f0435adf8
SHA1 50e782800e20435929f5edcee9a34666f242faaf
SHA256 309be983f7bea2c29f696e9ed5f2aa9b0ac915f0bce64578bf8214520012d246
CRC32 23692ac5
Example file location C:\Windows\System32\
Filename avrt.dll
System Windows 8.1
File size 31496 bytes
Date 2014-11-21
File details
MD5 e83bdf98de5c56095e213b3edfa7f9e8
SHA1 e79c8ee9ee0c401e66fc9a076bdc501d28917560
SHA256 21ad43deac8347349a4d148ac5751be6e5a188fb95581437041c15823559075f
CRC32 a844297d
Example file location C:\Windows\System32\
Filename avrt.dll
System Windows 8
File size 23664 bytes
Date 2012-07-26
File details
MD5 ce1c6a92f637c2eab6f8eb8791ee567d
SHA1 6d5a7f0ab193f2de1810e0da819761ff143c6a36
SHA256 65db3845d26c7bb8447940642d3627c2e64e936bb0ee6b378ac7f9a93ea4021e
CRC32 e47bb4e4
Example file location 1: C:\Windows\System32\
Filename avrt.dll
System Windows 7
File size 14336 bytes
Date -0001-11-30
File details
MD5 139d3ab6aa920c34c50cbffb9eb7d222
SHA1 abd92afad16dfa7394ecb81d80b26b645de2f759
SHA256 5a5d205e16e6afdcc965e4144fe6e104157de7541d31727520363f2670513940
CRC32 739c5689
Example file location C:\Windows\SysWOW64\
Filename avrt.dll
System Windows 7
File size 18432 bytes
Date 2009-07-14
File details
MD5 78a1e65207484b7f8d3217507745f47c
SHA1 3542a591e9c97b48739f69e2a193dff461ea097c
SHA256 35f413adb9d157f3666dd15dd58104d629cd9143198a1ab914b73a4a3c9903dd
CRC32 42c00321
Example file location C:\Windows\SysWOW64\
Filename avrt.dll
System Windows Vista
File size 13824 bytes
Date 2008-01-21
File details
MD5 514a07c903607458b6b5a430b09bf794
SHA1 94d53bf6d8427a2c288bf90900783b00a7895683
SHA256 9a79e172e28a0b2a34121e74fee29401a5af9aa4e238f3e3f2dd8f94fec4f2ae
CRC32 57caa1b7
Example file location ---
Filename avrt.dll
System Windows Vista
File size 12800 bytes
Date -0001-11-30
File details
MD5 c9244bcac83b259b920bbee18a97bfe1
SHA1 7408bacf0c8f66901f9d53fa36dd0a7de9848334
SHA256 9ea58407433f86baac3b4a6c334fb3bc59032ff4eb50efa7cd639aa56d96e908
CRC32 85a7d3f8
Example file location ---