Fix CnP5eEUI.DLL is missing/ not found error Step by Step

Frustrated by the CnP5eEUI.DLL error message? Well, you should want to know what this CnP5eEUI.DLL file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this CnP5eEUI.DLL and the methods to fix it.

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What's CnP5eEUI.DLL File?

As its file extension denotes, CnP5eEUI.DLL is a vital DLL file and it's a component of the software CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP developed by Windows Software Developer. The latest version of CnP5eEUI.DLL file is 5.30 and MD5 value is ff4fbf6330a090564e63a3707e771f98. CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP and the Windows will generate CnP5eEUI.DLL error when CnP5eEUI.DLL file cannot be used due to the removal or corruption of CnP5eEUI.DLL file. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

CnP5eEUI.DLL file information:
File Name:   
   CnP5eEUI.DLL (Free Scan)
File Description:   
   PCL5e Printer Driver User Interface
Product Name:   
   CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP
Product Version:   
   5.30
Company:   
   Windows Software Developer
File md5:   
   ff4fbf6330a090564e63a3707e771f98
File type:   
   dll file
Security Level(0-5):   
   5
OS Infected:   
   Windows Server 2003
Recommended:   
   Download CnP5eEUI.DLL Error Free Scan Tool

Why Do I Receive CnP5eEUI.DLL Error?

Dynamic Link Libraries (also called as DLL) are similar to EXE files, though they are not directly executable. A DLL is a library which contains code and data which can be used by many programs simultaneously. To reduce disk space and speed up the performance, not all DLL files are loaded with Windows. When a program needs a DLL, that file will be loaded and run.

For example, most computer programs needs to create the graphical interface which appears on the screen. So when they need to create the interface, they just call on a DLL for that functionality rather than having to contain the code in the program. So, when CnP5eEUI.DLL file is not correctly loaded and run, the program and the Windows will pop up error messages.

Popular CnP5eEUI.DLL Error Messages

  • The application has failed to start because CnP5eEUI.DLL was not found. Re-installing the application may fix this problem.
  • The program can't start because CnP5eEUI.DLL is missing from your computer. Try reinstalling the program to fix this problem.
  • CnP5eEUI.DLL failed. The specified module could not be found.
  • File not found: CnP5eEUI.DLL.
  • Failed to load library 'CnP5eEUI.DLL'.
  • Access violation in module 'CnP5eEUI.DLL'.
  • Component 'CnP5eEUI.DLL' or one of its dependencies not correctly registered a file is missing or invalid.

You may receive CnP5eEUI.DLL error when you run or close CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP, start or shut down the computer, or use specific function of CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP. The time you encounter the error is very important to troubleshoot the problem.

Causes of CnP5eEUI.DLL Error

CnP5eEUI.DLL error can be caused by plenty of reasons. The following are the most common causes of CnP5eEUI.DLL error.

  • The latest version of CnP5eEUI.DLL file is overwritten by a previous version installed by another newly-installed program.
  • There is a malfunctioning or faulty hardware in your computer.
  • CnP5eEUI.DLL file is infected with malicious adware, Trojans, spyware and malware.
  • The associated entries of CnP5eEUI.DLL are corrupted in the registry.
  • CnP5eEUI.DLL file that is still used by other programs is uninstalled by another program.

How to Fix CnP5eEUI.DLL Error?

Keep in mind, never download DLL files from DLL download websites, because they are not verified by their developers and may contain malicious code which lead to further damage to your computer system. We have listed several solutions to troubleshoot your CnP5eEUI.DLL problem.

Method 1: Manually register CnP5eEUI.DLL file.

When a program uses a DLL function in another DLL, a dependency is created. As a result, the program is no longer dependent, and it may have problems if the dependency with the DLL is broken or corrupted. To fix such error, we can use re-register CnP5eEUI.DLL file.

Steps:

a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type regsvr32 /u CnP5eEUI.DLL in the Command Prompt and hit Enter. This will un-register CnP5eEUI.DLL file.

c. Then type regsvr32 /i CnP5eEUI.DLL in the Command Prompt and hit Enter. This will re-register CnP5eEUI.DLL file.

d. Restart your software to see if the error is fixed.

Method 2: Replace corrupted system files with System File Checker.

System File Checker is a utility integrated in Windows system to help users easily scan and replace corrupted system files which may include files related to CnP5eEUI.DLL. If a "protected" file is modified or missing, this utility will restore it from a cached copy to ensure Windows work correctly.

Steps:

a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type sfc /scannow in the Command Prompt and hit Enter.

sfc windows 7

c. System File Checker is scanning your system and takes some time to complete the repair.

Method 3: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like CnP5eEUI.DLL error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, CANON PCL5e Printer Driver User Interface for Microsoft Windows 2000/XP and Windows becomes more prone to CnP5eEUI.DLL error and even malfunction.

Steps:

a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 4: Install Windows updates.

Computers and computer software can quickly become out-dated, so Microsoft keeps releasing updates in order to improve their security and fix technical glitches. Your CnP5eEUI.DLL error may be fixed after you install all latest Windows updates.

Steps:

a. Go to the desktop of your system, right click on Computer and click Properties.

computer properties

b. In the left pane, click Windows Update.

windows update

c. In the Windows Update window, click Check for updates.

check for updates windows 7

d. If any update is found, click Install updates to install.

install updates windows 7

Method 5: Restart your computer.

You can try restarting your computer to fix CnP5eEUI.DLL error, as sometimes CnP5eEUI.DLL error may be temporary and can be fixed after a system restart.

Method 6: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like CnP5eEUI.DLL error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.

Recommended:

Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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Does CnP5eEUI.DLL error still persist?

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