Fix apircl.dll Errors

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

apircl.dll file Microsoft® InfoTech IR Local DLL. 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 apircl.dll related errors on your device. You can also download apircl.dll file compatible with Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows 7, Windows Vista, Windows Vista

File info

General information
Filename apircl.dll
File extension DLL
Description Microsoft® InfoTech IR Local DLL
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 apircl.dll file. apircl.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 apircl.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to apircl.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 apircl.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.

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

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

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

  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\

If the steps did not solve your apircl.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 apircl.dll
System Windows 7
File size 273920 bytes
Date 2009-07-14
File details
MD5 0a71c76617e11b58976e2ba4033e636b
SHA1 e0d4813d4648a6bdf2d35018b1b17d5635659b1c
SHA256 fa76f635ebf23b80fc797118ebf6571457f006bf7b784b59cc1c2d0143babcb3
CRC32 c1fcc1af
Example file location C:\Windows\System32\
Filename apircl.dll
System Windows 7
File size 221184 bytes
Date -0001-11-30
File details
MD5 d53467bc936a14bcac37607228e695e8
SHA1 2bf5a2a13d369234f0821a16b3a53edea196aa89
SHA256 b485913971b314ee446473d7d4d63ca1d0d1a2d6aadcfeb8b592d678383b25f1
CRC32 ceea144f
Example file location C:\Windows\System32\
Filename apircl.dll
System Windows Vista
File size 270848 bytes
Date 2008-01-21
File details
MD5 5e9abc222294909838b58d1e73a229e3
SHA1 af12a768022821969b3b6dcf6b3e10b08fdf7cec
SHA256 02cd2f8d0e7593bd4c54c40629d0c97eb13eff05fb2a65d3a401537d09cbaf17
CRC32 37c44631
Example file location C:\Windows\SysWOW64\
Filename apircl.dll
System Windows Vista
File size 219648 bytes
Date -0001-11-30
File details
MD5 6ed0090e409f635ce7203ca36d0b3c10
SHA1 ca442eebe4f2290af3d298eabf3d8f82f29b4b8e
SHA256 72e23db56fa3e3f109fa7e05bf4eb22da8c24bf526d86483c6443935158ba64a
CRC32 570dbe10
Example file location C:\Windows\SysWOW64\