Pcalua.exe is a component belongs to Program Compatibility Assistant of Windows operating system developed by Microsoft Corporation. It is digitally signed from Microsoft Windows – VeriSign Time Stamping Services Signer. Program Compatibility Assistant is a shared library for pcasvc.dll, pcadm.dll, pcaui.dll, pcaevts.dll and xapofx1_5.dll. Common Reasons of Pcalua.exe Error Messages: Unexpected damage on crucial system files Missing, corrupt or incompatible pcalua.exe file Incorrect modification on Windows operating system Driver update issues Missing or damaged driver files Disabled or invalid drivers Undesirable damage on registry files Increase of unnecessary registry components Incorrect modification on Program Compatibility Assistant Possible Problems Generated by Pcalua.exe Error Messages: Crucial system files experience undesirable damage and Blue Screen of Death errors appear on PC screen. System fails to load pcalua.exe file. System fails to run crucial system files. System fails to load Program Compatibility Assistant. System fails to remove unneeded system components System fails to keep itself up- to- date. Obscure system pops- up appear, including “404 Not Found”, “Hal.dll is Missing or Corrupt“, “NTLDR is Missing“, “Res://ieframe.dll/dnserror.htm#“, “500 Internal Server Error“ and “Unknown Hard Error C:\Winnt\System32\Ntdll.dll“. System encounters obscure network problems, including home network router problems, wireless home network problems, Windows File and Printer Sharing problems, unexpected drop of computer speed and TCP/IP Troubleshooting Tools problems. How to fix pcalua.exe error simply by the aid of efficiently solutions? Solution One: Enable Windows Auto Updates. To enable Windows Auto Updates can help you efficiently repair pcalua.exe error through updating the problematic pcalua.exe file: Step One: Click Start, and then click Control Panel. Step Two: Go to Security Center, click Automatic Updates. Step Three: Click Automated(recommended) option, click Apply to confirm the modification. Solution Two: Restore pcalua.exe file from Windows Installation CD. Due to the fact that pcalua.exe file is a crucial system process that can be installed automatically when the system is installed on the PC, you may consider restoring it from Windows Installation CD once you have found any problems occur to it. 1. Insert the Windows installation CD. 2. Click Start, and then got to Run 3. Type expand cd Drive: \i386\rundll32.ex_c:\windows\system32\pcalua.exe 4. Press the “Enter” button. 5. Restart your computer to confirm this modification. Solution Three: Wipe out damaged Windows Update Files. Step One: Click Start, and then go to Run. Once the command prompt windows pops up, type “net stop WuAuServ” onto it and press Enter button. Step Two: Type “cd %windir%” onto the command prompt window, and press Enter button. Step Three: From the latest popped- up folder, type ”ren SoftwareDistribution SD_BACKUP”, and press Enter to rename the SoftwareDistribution Folder. Step Four: Type “net start WuAuServ” onto the command prompt to restart the Windows Update Service. Step Five: Exit the command prompt. Solution Four: Get rid of registry problems efficiently. The Windows registry is the critical component of Windows operating system. It is designed to conserve the settings and configuration information of lower- level system components and third- party applications which must get access to Windows registry once they need to run. Undesirable increase of obscure registry errors, corrupt registry files and unwanted registry components can bring about an invalid Windows registry. Unexpected Blue Screen of Death errors, software instability, undesirable increase of system errors and critical system file corruption are caused by the invalid Windows registry. To efficiently fix pcalua.exe error, you may consider firstly get rid of the multiple registry problems. How to fix registry problems efficiently and safely? An efficient way for the problem is to enable a trust- worthy registry repair tool on your computer. A trust- worthy registry repair tool is equipped with a collection of useful and powerful utilities that can help you safely fix obscure registry errors, repair corrupt registry files and remove unwanted registry components. How to fix pcalua.exe error and get rid of registry problems efficiently and safely?
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