Pcaui.dll download

Developer:
Microsoft
Description:
Program Compatibility Assistant User Interface Module
Rating:

Since you decided to visit this page, chances are you’re either looking for pcaui.dll file, or a way to fix the “pcaui.dll is missing” error. Look through the information below, which explains how to resolve your issue. On this page, you can download the pcaui.dll file as well.

What is Pcaui.dll?

Pcaui.dll a DLL (Dynamic Link Library) file, developed by Microsoft, which is referred to essential system files of the Windows OS. It usually contains a set of procedures and driver functions, which may be applied by Windows.

What is Pcaui.dll used for?

Pcaui.dll file, also known as Program Compatibility Assistant User Interface Module, is commonly associated with Microsoft® Windows® Operating System. It is an essential component, which ensures that Windows programs operate properly. Thus, if the pcaui.dll file is missing, it may negatively affect the work of the associated software.

What is Pcaui.dll is missing error mean?

There are multiple reasons that may cause pcaui.dll errors. These include Windows registry issues, malicious software, faulty applications, etc.

Error messages related to the pcaui.dll file can also indicate that the file has been incorrectly installed, corrupted or removed.

Other common pcaui.dll errors include:

  • “pcaui.dll is missing”
  • “pcaui.dll error loading”
  • “pcaui.dll crash”
  • “pcaui.dll was not found”
  • “pcaui.dll could not be located”
  • “pcaui.dll Access Violation”
  • “The procedure entry point pcaui.dll error”
  • “Cannot find pcaui.dll”
  • “Cannot register pcaui.dll”
pcaui.dll - System Error The program can`t start because pcaui.dll is missing from your computer. Try reinstalling the program to fix problem.

How to fix Pcaui.dll missing error?

If the “pcaui.dll is missing” error occurs, you may use one of the methods below – manual or automatic – to solve the problem. The manual method assumes that you download the pcaui.dll file and put it inside the game/application installation folder, while the second method is much easier as it allows you to automatically fix the error with minimum effort.

Method 1: Download Pcaui.dll

Search through available versions of pcaui.dll from the list below, select the correct file and press the “Download” link. If you cannot decide which version to choose, read the article below or use the automatic method to resolve the issue

Pcaui.dll, 9 available versions

Bits & Version File size Language Description Checksums
32bit 6.3.9600.16407 46.5 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 e02d01aa966e4850c480200d4a5d3028
SHA1
SHA1 8e5c95e6b4aed5415276b5baecf6939d8d71bcf2
Download
32bit 6.2.9200.16384 46.0 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 21516e9662c6d99892acfb6f7a017621
SHA1
SHA1 206970c16cc4fe0b779a98606b6e92e97f7f4901
Download
32bit 6.1.7600.16385 85.0 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 bbd117267323c3cbb901036e22ae5c17
SHA1
SHA1 1e1b0936d1c4cd10815701b6bef93c3af094d6d2
Download
32bit 6.0.6001.18000 453.5 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 023a2e3779baf7c8000de7880e88e64d
SHA1
SHA1 3f81c5068486d35666bd129ac7d63f31e8750635
Download
64bit 6.0.6001.18000 603.5 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 87dc0ef6eddb5abd47542cf522a1a2fa
SHA1
SHA1 3db25963bcf28c59f2063c2a12d4002a0cdd3cea
Download
32bit 10.0.14393.0 60.0 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 eb95e366119e96a71359a6013384a78c
SHA1
SHA1 603ddffb16cbc14267e3519508dbac07f93f2011
Download
64bit 10.0.14393.0 70.0 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 f20d558b06eafd1c09acff46c99d6a2b
SHA1
SHA1 16d99f833774d2a2af656b2ff4df7e5f96aeaa89
Download
64bit 10.0.10586.0 69.5 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 74bb1b2b86f1371d1053fccfa59925bf
SHA1
SHA1 ff9bfc10650771782de644b868bccd1746d6f709
Download
32bit 10.0.10586.0 60.0 KB U.S. English Program Compatibility Assistant User Interface Module
MD5
MD5 f6bfeca9040e2739c346fb389fdc110a
SHA1
SHA1 dce5a9f70f52112708861d3da772368203ef96ca
Download

How to choose the correct version of Pcaui.dll?

First, look through descriptions in the table above and select the proper file for your program. Pay attention to whether it’s a 64-, or 32-bit file, as well as the language it uses. For 64-bit programs, use 64-bit files if they are listed above.

It’s best to choose those dll files which language corresponds to the language of your program, if possible. We also recommend downloading the latest versions of dll files for an up-to-date functionality.

Where to place the Pcaui.dll file?

To repair the “pcaui.dll is missing” error, put the file inside the application/game installation folder. Alternatively, you can place the pcaui.dll file within the Windows system directory.

How to register Pcaui.dll?

If putting the missing pcaui.dll file into the proper directory doesn’t solve the problem, you’ll have to register it. To do so, copy your DLL file to the C:\Windows\System32 folder, and open a command prompt with admin rights. There, type “regsvr32 pcaui.dll” and press Enter.

Method 2: Fix the missing Pcaui.dll error automatically

With WikiDll Fixer you can automatically repair pcaui.dll errors. The utility will not only download the correct version of pcaui.dll for absolutely free and suggest the right directory to install it but also resolve other issues related to the pcaui.dll file.
  • Step 1: Click the “Download App. ” button to get an automatic tool, provided by WikiDll.
  • Special offer. See more information about Outbyte and unistall instrustions. Please review Outbyte EULA and Privacy Policy

  • Step 2: Install the utility by following simple installation instructions.
  • Step 3: Launch the program to fix your pcaui.dll errors and other issues.

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File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: windows-versions

Limitations: trial version offers an unlimited number of scans, backup, restore of your windows registry for FREE. Full version must be purchased.

Method 3: Fix Pcaui.dll missing error with System File Checker (SFC)

Many users are familiar with the sfc / scannow system file integrity check command, which automatically checks and fixes protected Windows system files. To execute this command, you have to run command prompt as administrator.
  • Step 1: Start the command line as an administrator in Windows by pressing Win key on your keyboard and typing "Command Prompt" in the search field, then - right-click on the result and select Run as administrator. Alternatively, you can press Win + X key combination which will open the menu where you can select Command Prompt (Admin).
  • Step 2: Type sfc / scannow while in Command Prompt and hit Enter.

After entering the command, a system check will begin. It will take a while, so please be patient. Once operation is complete you will get the message “Windows Resource Protection found corrupt files and successfully repaired them.” or “Windows Resource Protection found corrupt files but was unable to fix some of them”.

Keep in mind that System File Checker (SFC) cannot fix integrity errors for those system files that are currently being used by operating system. To fix these files you have to run SFC command through the command prompt in the Windows recovery environment. You can get into Windows Recovery Environment from the login screen, by clicking Shutdown, then holding down the Shift key while selecting Restart.

In Windows 10, you can press Win key, select Settings > Update & security > Recovery and under Advanced Startup, click Restart now. You can also boot from the installation disk or bootable USB flash drive with the Windows 10 distribution. On the installation screen select your preferred language and then select “System Restore”. After that, go to “Troubleshooting” > “Advanced Settings” > “Command Prompt”. Once in Command Prompt type the following command: sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows where C is the partition with the installed operating system, and C: \ Windows is the path to the Windows 10 folder.

This operation will take a while and it is important to wait until it is complete. When finished, close the command prompt and restart the computer as usual.

Method 4: Fix corrupted Pcaui.dll file by performing System Restore

System Restore is very useful when you want to fix pcaui.dll error. Using the "System Restore" function, you can choose restore Windows to the date when the pcaui.dll file was not damaged. Thus, restoring Windows to an earlier date cancels changes made to system files. Please follow the steps below to roll back Windows using System Restore and get rid of pcaui.dll error.
  • Step 1: Press the Win + R keys combination to launch Run dialog.
  • Step 2: Type rstrui in the Run text box and click OK or hit Enter. It will open the system recovery utility.
  • Step 3: The “System Restore” window may include the “Choose a different restore point” option. If so, select this option and click Next. Check the “Show more restore points” checkbox to see a complete list of dates.
  • Step 4: Select a date to restore Windows 10. Keep in mind that you need to select a recovery point that will restore Windows to the date when the pcaui.dll error message did not appear.
  • Step 5: Click the "Next" button and then click "Finish" to confirm your restore point.

At this point, your computer will reboot normally and boot up with restored version of Windows, and pcaui.dll error should be resolved.

Method 5: Scan your PC for malware to fix pcaui.dll error

Sometimes pcaui.dll error can happen because of malware on your computer. The malicious software can intentionally corrupt DLL files in order to substitute them with its own malicious files. Therefore, your number one priority should be to scan your computer for malware and eliminate it as soon as possible.

OPTION 1 - Windows Defender

The new version of Windows 10 has a built-in application called "Windows Defender", which allows you to check your computer for viruses and remove malware, which is difficult to remove in a running operating system. In order to use the Windows Defender Offline scan, go to the settings (Start - Gear icon or Win + I key), select "Update and Security" and go to the "Windows Defender" section.
How to use Windows Defender Offline Scan
  • Step 1: Press Win key or click on Start and click on Gear icon. Alternatively press Win + I key combination.
  • Step 2: Select Update and Security option and go to Windows Defender section.
  • Step 3: At the bottom of the defender settings there is the checkbox " Windows Defender Offline scan". To start it, click "Scan Now". Note that you have to save all unsaved data before rebooting your PC.

After clicking “Scan Now” burton, the computer will reboot and automatically start searching viruses and malware. Upon completion of the scan, the computer will restart, and in the notifications, you will see a report on the completed scan.

OPTION 2 - Malwarebytes

Malwarebytes products are one of the most popular and effective to fight malware and unwanted programs, and they will come in handy even when you have a high-quality third-party antivirus installed. Scanning in the new version of Malwarebytes can be performed in real time and manually. To initiate manual scan please follow the steps below:
  • Step 1: Launch the Malwarebytes program and click Scan Now button. Also, you can select Scan option on the left side of the program’s window and click Full Scan. The system will begin scanning and you will be able to see the scan results.
  • Step 2: Select items that you want to quarantine and press “Quarantine Selected” button. When quarantined, you may be prompted to reboot the computer.
  • Step 3: After the program has been restarted, you can delete all quarantined objects by going to the appropriate section of the program or restore some of them if it turned out that after quarantining something from your software began to work incorrectly.

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