Troubleshoot appmgr.dll Errors and Download File

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

appmgr.dll file Software Installation Snapin Extenstion. 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 appmgr.dll related errors on your device. You can also download appmgr.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 appmgr.dll
File extension DLL
Description Software Installation Snapin Extenstion
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 appmgr.dll file. appmgr.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 appmgr.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to appmgr.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 appmgr.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of appmgr.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\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---

If the steps did not solve your appmgr.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 appmgr.dll
System Windows 10
File size 363520 bytes
Date 2017-03-18
File details
MD5 6595b20e27e08b3f7eb16c6071353d77
SHA1 cb8868463a1fb62804dd9999d0265229d43b0d08
SHA256 f46c89c4f7c71add034d60b69070f6ad20772450d5fe125b00e2ac1649fdc770
CRC32 359b1603
Example file location C:\Windows\System32\
Filename appmgr.dll
System Windows 8.1
File size 371712 bytes
Date 2014-11-21
File details
MD5 c095cc38a2170c7eaa166f411b2c7356
SHA1 c14d3f0403a56b4410f1b4ae0c9a160f51ddfd0a
SHA256 3d60303488a2694eb284a7ba33188848b99fe41e775dca8b2c7567c22d1a0096
CRC32 9584c007
Example file location C:\Windows\System32\
Filename appmgr.dll
System Windows 8
File size 366592 bytes
Date 2012-07-26
File details
MD5 f3dc766f9002996d20101deabd2980e7
SHA1 d93b2302d3ead22cb09e5a2c482a623849a741fd
SHA256 7f2734b9e642ca3b440505c06a13bebcdce496fa2811058496b5567b7f754843
CRC32 97edb533
Example file location 1: C:\Windows\System32\
Filename appmgr.dll
System Windows 7
File size 479232 bytes
Date 2010-11-21
File details
MD5 dda6773dace0774160aaa927ecf8adcd
SHA1 2949d8aea6c72506eb01a2bff1f1f9267e71b9cd
SHA256 decca944dd983f8b19e9243d233d4d1d64fe5f29c9152b2054412fc353c55c18
CRC32 93fbfae0
Example file location C:\Windows\System32\
Filename appmgr.dll
System Windows 7
File size 339968 bytes
Date -0001-11-30
File details
MD5 f68878cf6a7ea29eacead49a268fc447
SHA1 2fe790f28b4fef7e8a7ab15033c375dd18e93063
SHA256 b0160e0acb850f8aab392213202969c7516f87e1cf1e67b2ffc39bac966f1479
CRC32 8b3fe526
Example file location C:\Windows\System32\
Filename appmgr.dll
System Windows Vista
File size 487936 bytes
Date 2008-01-21
File details
MD5 8d95b3f27fb095d0e7282acd1dcb98c7
SHA1 bd8f05fa894b5fbeae415a64753fa04bf3d3e587
SHA256 74a4c76f4a02c86392a5767e0dedd037ed6af03162c384e3928b056db2394ab4
CRC32 080eeb2f
Example file location ---
Filename appmgr.dll
System Windows Vista
File size 339456 bytes
Date -0001-11-30
File details
MD5 e8d1cdf3199c853d08d72c047029a673
SHA1 5e31ccfd3688a939a21f956e8890e6a5695dd5ca
SHA256 1cfc89b282e779c1b35217d6e51b754c1ff703806895c9941db289b615c47461
CRC32 94d8f729
Example file location ---
Filename appmgr.dll
System Windows XP
File size 295936 bytes
Date 2008-04-14
File details
MD5 76422d781c0fbbb368f8559dc12a39b1
SHA1 148ec10a2f8fab845f8e1b2a8c013fcb9451ecb2
SHA256 2613b7e843d0ad5959a74d2b2601f5e981e8e1fdc39a44da175ab076c08839a3
CRC32 2524baf2
Example file location ---