How to Repair pcaui.dll? Download Now

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

pcaui.dll file Program Compatibility Assistant User Interface Module. 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 pcaui.dll related errors on your device. You can also download pcaui.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

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

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download pcaui.dll

4.1 List of pcaui.dll file versions

File info

General information
Filename	pcaui.dll
File extension	DLL
Description	Program Compatibility Assistant User Interface Module

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
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.)

Most common pcaui.dll file related problems

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

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

pcaui.dll

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

Problems related to pcaui.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 pcaui.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.

How to fix pcaui.dll errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

pcaui.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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with pcaui.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.

Installing relevant Microsoft Windows patches and updates may solve your problems related to pcaui.dll file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 pcaui.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 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 pcaui.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the pcaui.dll file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the pcaui.dll file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the pcaui.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 pcaui.dll file

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of pcaui.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\
Windows 7: C:\Windows\System32\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your pcaui.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 pcaui.dll

System Windows 10

File size 61440 bytes

Date 2017-03-18

Download

File details
	MD5	521025cd3c1a45a07c6bb52134bec9cc
	SHA1	5bb545a6db6425cc149f4aa9958ef04d708450b0
	SHA256	21dea163ab24f3460bc2a8907a1290ef284860e661d02dda975ab5cef699b232
	CRC32	9a251b9c
	Example file location	C:\Windows\System32\

Filename pcaui.dll

System Windows 8.1

File size 48640 bytes

Date 2014-11-21

Download

File details
	MD5	806258a3a337b8146a4c9aa55fd226b2
	SHA1	d6ea62bd733587388bafa48d537862b919d5eb25
	SHA256	b3365b35f56562002c8ce1df4dafc682d921e0229c9ae47c8638bf10d5fcb591
	CRC32	4dbfd0a7
	Example file location	C:\Windows\System32\

Filename pcaui.dll

System Windows 8

File size 47104 bytes

Date 2012-07-26

Download

File details
	MD5	21516e9662c6d99892acfb6f7a017621
	SHA1	206970c16cc4fe0b779a98606b6e92e97f7f4901
	SHA256	7340f5705f286fc89a586df569bccc4470b6fab58cfe54e9a833d9380a015682
	CRC32	01496c64
	Example file location	1: C:\Windows\System32\

Filename pcaui.dll

System Windows 7

File size 97280 bytes

Date 2009-07-14

Download

File details
	MD5	00cb1010b414a137c140ef7f260c6c3c
	SHA1	9fec6534c89e003d031cdf4adac3c03efcd83543
	SHA256	4a31c52572bc1c9968a9b0bf96a9f4e95aea94ece76cc04b0e1855c00c96bd9c
	CRC32	f7e2c99d
	Example file location	C:\Windows\System32\

Filename pcaui.dll

System Windows 7

File size 87040 bytes

Date -0001-11-30

Download

File details
	MD5	bbd117267323c3cbb901036e22ae5c17
	SHA1	1e1b0936d1c4cd10815701b6bef93c3af094d6d2
	SHA256	7640f98954e65567cfb64416c6aa417e951439315d8de3f81b5d2e3f02f248db
	CRC32	76537934
	Example file location	C:\Windows\System32\

Filename pcaui.dll

System Windows Vista

File size 617984 bytes

Date 2009-04-11

Download

File details
	MD5	1b63115d4a0d3b7b53a30cc426722bdd
	SHA1	abf156e584ccc0d5437ace4dcf7c68c377ee5fee
	SHA256	3c976dc8172ae5f3f1be823e768415331ac40f90effbefef0f6398a895fa05fd
	CRC32	4bedbd5f
	Example file location	---

Filename pcaui.dll

System Windows Vista

File size 464384 bytes

Date -0001-11-30

Download

File details
	MD5	7e05be3f599b3f0c46389241c6820c8b
	SHA1	e430f3a0a810e9be3175de52ba70304dde67b59a
	SHA256	6c1966eb2a67a9e37c94e1bd96ddfbfbcd7a4de37e066e329ac6fa34c2d81b9e
	CRC32	5e762fe9
	Example file location	---