appidsvc.dll Troubleshoot and Download

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

appidsvc.dll file Application Identity Service. 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 appidsvc.dll related errors on your device. You can also download appidsvc.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename appidsvc.dll
File extension DLL
Description Application Identity Service
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 appidsvc.dll file. appidsvc.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 appidsvc.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to appidsvc.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 appidsvc.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of appidsvc.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\

If the steps did not solve your appidsvc.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 appidsvc.dll
System Windows 10
File size 93184 bytes
Date 2017-03-18
File details
MD5 429791608b20cc264c21b76f308faa57
SHA1 46f97fa118794b53ef21b98abe661a512350d943
SHA256 9cb14c3eeca923fa06c5cc88cfca232340984929ab20d88e8e92d80f7e5b55e7
CRC32 a7ae4e94
Example file location C:\Windows\System32\
Filename appidsvc.dll
System Windows 8.1
File size 32256 bytes
Date 2014-11-21
File details
MD5 a72c5536b759355e73c998cf929dfd2c
SHA1 386910a1a1a729b4094532a112026c0818600864
SHA256 51aa440425d3e7595fb13b5bac6e5b9654804910b8c2cf95916469c58d4d5745
CRC32 f3da120f
Example file location C:\Windows\System32\
Filename appidsvc.dll
System Windows 8
File size 31232 bytes
Date 2012-07-26
File details
MD5 721c445a7ee59589b26ee0dc767a7967
SHA1 77069c67d7106d2548f9857744fe788105c25805
SHA256 2efe73128524dc70d61fe8b3429aaea23f29f931e904949bd554bd50f93d9797
CRC32 4729c79b
Example file location 1: C:\Windows\System32\
Filename appidsvc.dll
System Windows 7
File size 32256 bytes
Date 2009-07-14
File details
MD5 0bc381a15355a3982216f7172f545de1
SHA1 1351f649c0a24ff23141b57b43b9d2545efa41e5
SHA256 c33af13cb218f7bf52e967452573df2add20a95c6bf99229794fef07c4bbe725
CRC32 a3567e57
Example file location C:\Windows\System32\