pcaui.dll File Information
  • DLL File Name:pcaui.dll
  • File Type:Win32/64 DLL
  • Product Name:Microsoft Windows Operating System
  • Developer:Microsoft Corporation
  • File Version:3 versions available
  • File Size:46.5KB - 603.5KB
  • Language Code:English (U.S.)
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:© Microsoft Corporation. All rights reserved.

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Pcaui.dll Errors and Solutions

Program Compatibility Assistant User Interface Module

The file pcaui.dll is a 32/64bit Windows DLL module for Microsoft Windows Operating System software or other related programs. The file and the associated Microsoft Windows Operating System software was developed by Microsoft Corporation. The file was licensed as © Microsoft Corporation. All rights reserved..

pcaui.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because pcaui.dll was not found.
  • The file pcaui.dll is missing or corrupted.
  • A required component is missing: pcaui.dll. Please install the application again.
  • Error loading pcaui.dll. The specified module could not be found.
  • The program can't start because pcaui.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • Pcaui.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing pcaui.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. There are 3 different versions of the dll file available for download with sizes between 46.5KB - 603.5KB.

How to Install pcaui.dll

You can download pcaui.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted pcaui.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\SysWOW64\" (32bit)

Copy the file to "C:\Windows\System32\" (64bit)

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe pcaui.dll & %windir%\SysWoW64\regsvr32.exe pcaui.dll

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Download pcaui.dll
Version OS Size Language Download
10.0.10586.0 64bit 69.5KB English Download
6.3.9600.1640 32bit 46.5KB English Download
6.0.6001.1800 64bit 603.5KB English Download
6.0.6001.1800 32bit 453.5KB English Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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