How to Repair CNBJOPAT.DLL? Download Now

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

CNBJOPAT.DLL file Canon Inkjet Printer Driver. 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 CNBJOPAT.DLL related errors on your device. You can also download CNBJOPAT.DLL file compatible with Windows 10, Windows 8, Windows 8.1 devices which will (most probably) allow you to solve the problem.

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

File info

General information
File extension DLL
Description Canon Inkjet Printer Driver
Program Canon Inkjet Printer Driver
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights Copyright CANON INC. 2013 All Rights Reserved
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to CNBJOPAT.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 CNBJOPAT.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.

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

The last solution is to manually download and replace CNBJOPAT.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 CNBJOPAT.DLL file.

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

  • Windows 10: C:\Windows\System32\DriverStore\FileRepository\prncacla.inf_x86_31be8f38b03c2a57\I386\
  • Windows 8: 1: C:\Windows\System32\DriverStore\FileRepository\prncacla.inf_x86_256f8ce50f892a14\I386\
  • Windows 8.1: ---

If the steps did not solve your CNBJOPAT.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

System Windows 10
File size 26624 bytes
Date 2013-06-18
File details
MD5 cbd9e2fee9b387503aa329b6532aba16
SHA1 e01901023c7164838c39b8458a16f4b797e9043c
SHA256 2e3968eec7925befa8d26701a6f7563d447a51b6a5bfd2026616c98723098dad
CRC32 6485b231
Example file location C:\Windows\System32\DriverStore\FileRepository\prncacla.inf_x86_31be8f38b03c2a57\I386\
System Windows 8
File size 73216 bytes
Date 2012-06-28
File details
MD5 83db7a2ed187c5a3f05ae50871f0d5fe
SHA1 8b8d9be82d804fc30deed8231ad9c6bb80e659f5
SHA256 65f49729ea60bd82fff03ec0da99929d2b816ae4172891e092305cb2a3325b7b
CRC32 76a0b0c0
Example file location 1: C:\Windows\System32\DriverStore\FileRepository\prncacla.inf_x86_256f8ce50f892a14\I386\
System Windows 8.1
File size 26624 bytes
Date 2013-06-18
File details
MD5 cbd9e2fee9b387503aa329b6532aba16
SHA1 e01901023c7164838c39b8458a16f4b797e9043c
SHA256 2e3968eec7925befa8d26701a6f7563d447a51b6a5bfd2026616c98723098dad
CRC32 6485b231
Example file location ---