Download and Fix amstream.dll

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

amstream.dll file DirectShow 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 amstream.dll related errors on your device. You can also download amstream.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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, Windows XP

File info

General information
Filename amstream.dll
File extension DLL
Description DirectShow Runtime.
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
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 amstream.dll file. amstream.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 amstream.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to amstream.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 amstream.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of amstream.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: ---
  • Windows XP: ---

If the steps did not solve your amstream.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 amstream.dll
System Windows 10
File size 80384 bytes
Date 2017-03-18
File details
MD5 a218a6c59e392fda87fbf253a98f0d5a
SHA1 9b239b836706a0f7654ccf5724f35cae4dad2cb7
SHA256 59a838c3d9dc4fe89018670d753f4c05b2d57b6db17e41a776e584b9a53f5e48
CRC32 7941b914
Example file location C:\Windows\System32\
Filename amstream.dll
System Windows 8.1
File size 80384 bytes
Date 2014-11-21
File details
MD5 ced0d3906799750a58b1fea7f0149425
SHA1 f9dd12bb310c137e4d7dd6afd8be23554829ed68
SHA256 331beee62615c661c062235d993f58d54c1602d40b2cde0014166588fd36b2fa
CRC32 f317e4b0
Example file location C:\Windows\System32\
Filename amstream.dll
System Windows 8
File size 64512 bytes
Date 2012-07-26
File details
MD5 b4df2cabf50556b3a08041b85359b19c
SHA1 ead672a6e1696aa0f4affd026c8fe7a1cfdc6d4d
SHA256 d2114afa856b36cf2d3ea2384ef11a4154a7c9fce05bc9216dbe2bed0fb8eb0b
CRC32 6566b6d4
Example file location 1: C:\Windows\System32\
Filename amstream.dll
System Windows 7
File size 70656 bytes
Date -0001-11-30
File details
MD5 382bddde3438f9a65935abc6b3f76d1b
SHA1 5be9d2ec9e7138af7e6f15ce8abc7cd5e138a3eb
SHA256 26012b03ad7c0802a2f26bf89c6510a78f6f4ae44d5e5eed164e22db7db334f0
CRC32 0d778cbb
Example file location C:\Windows\SysWOW64\
Filename amstream.dll
System Windows 7
File size 89088 bytes
Date 2010-11-21
File details
MD5 6b3e852970892b3033dc996c282c2c93
SHA1 a5243f96c598d70e486f409ab1b054e2773b4542
SHA256 fed6c36838e0a11cd0c003eeeaf8ef0e1c1f005c03a80a89165fc2da0c9693d1
CRC32 892e1a39
Example file location C:\Windows\SysWOW64\
Filename amstream.dll
System Windows Vista
File size 88064 bytes
Date 2006-11-02
File details
MD5 42c0d43246817ae110752bb716a3063a
SHA1 99f25abdc14de4141d9ae34d706ac202a9939400
SHA256 597c591bee8d99778065268c14ad959117af5442c0d0b218430b687c71e2668d
CRC32 7ce09a4b
Example file location ---
Filename amstream.dll
System Windows Vista
File size 70144 bytes
Date -0001-11-30
File details
MD5 570d1da9bd508c518097f3e6ab13addb
SHA1 de1a5e6e09b62af5bd524239baefa517cb091aaf
SHA256 971a1c64439805fd38073db0ea7766fc776bbb94bd06dc31b922be8687e8a529
CRC32 d4c11427
Example file location ---
Filename amstream.dll
System Windows XP
File size 70656 bytes
Date 2008-04-14
File details
MD5 f8e4901cb3027eb0a0384001f11877c2
SHA1 11d2f661c0564f89b8ab41102f9eed5ea4e6d0e2
SHA256 6c38d7b0ca49dd0089e80174d9d8a2883969eb3b01173866ddcf91789f9f78b8
CRC32 f7fed27a
Example file location ---