Download and Repair DLL Errors: MmcAspExt.dll

Last Updated: 11/27/2023
[Average Read Time: 4.5 minutes]

MmcAspExt.dll is considered a type of Microsoft ASP.NET Support DLL file. It is most-commonly used in Microsoft® .NET Framework developed by Nitro. It uses the DLL file extension and is considered a Win32 DLL (Dynamic link library) file.

MmcAspExt.dll was first released for Windows Vista Operating System on 11/08/2006 with Windows Vista. The latest file update released for PrimoPDF 5.1.0.2 was on 07/27/2011 [file version 2.0.50727.8825 (WinRelRS3.050727-8800)]. MmcAspExt.dll is included in Windows 10, Windows Vista, and Windows 8.1 versions.

Please see below for more detailed information, DLL file troubleshooting instructions, and free downloads of different versions of MmcAspExt.dll.

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File Overview


General Information
File Name: MmcAspExt.dll
File Extension: DLL file extension
Description: Microsoft ASP.NET Support DLL
Object File Type: Dynamic link library
Comments: Flavor=Retail
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corporation
Software Program: Microsoft® .NET Framework
Legal Copyright: © Microsoft Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x7996
Code Size: 32256


What are MmcAspExt.dll Error Messages?


Dynamic Link Library MmcAspExt.dll Errors

MmcAspExt.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like MmcAspExt.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like wuauclt.exe - to follow. These files were created so that multiple programs (eg. PrimoPDF) could share the same MmcAspExt.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when MmcAspExt.dll is attempted to be loaded either when PrimoPDF is starting up, or in some cases already running. Some of the most common MmcAspExt.dll errors include:

Your MmcAspExt.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with PrimoPDF), or deleted by a malware infection. Furthermore, MmcAspExt.dll file corruption could be caused from a power outage when loading PrimoPDF, system crash while loading MmcAspExt.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix MmcAspExt.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your MmcAspExt.dll issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the MmcAspExt.dll error, please proceed to the Step 2 below.

Step 2: If recently installed PrimoPDF (or related software), uninstall then try reinstalling PrimoPDF software.

You can uninstall PrimoPDF software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for PrimoPDF 5.1.0.2 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall PrimoPDF software.

If this Step 2 fails as well, please proceed to the Step 3 below.

PrimoPDF 5.1.0.2

Nitro

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many MmcAspExt.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the MmcAspExt.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your MmcAspExt.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate MmcAspExt.dll file version. We maintain a comprehensive database of 100% malware-free MmcAspExt.dll files for every applicable version of PrimoPDF. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download MmcAspExt.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate PrimoPDF folder location:
    Windows Vista: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
    Windows Vista: C:\Windows\Microsoft.NET\Framework\v2.0.50727\
    Windows 7: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
    Windows 7: C:\Windows\Microsoft.NET\Framework\v2.0.50727\
    Windows 8: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
    Show 6 more directories +
    Windows 8.1: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
    Windows 10: C:\Windows\Microsoft.NET\Framework\v2.0.50727\
    Windows 10: C:\Windows\WinSxS\x86_netfx-aspnet_mmc_asp_ext_dll_b03f5f7f11d50a3a_10.0.16299.15_none_abd644de30633d31\
    Windows 10: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\
    Windows 10: C:\Windows\WinSxS\amd64_netfx-aspnet_mmc_asp_ext_dll_b03f5f7f11d50a3a_10.0.16299.15_none_64290e071be7142b\
    Windows 10: C:\Windows\Microsoft.NET\Framework\v4.0.30319\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve MmcAspExt.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download MmcAspExt.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying MmcAspExt.dll to your appropriate Windows system directory. Nitro typically does not release PrimoPDF DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing MmcAspExt.dll and all other DLL files for PrimoPDF. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows Vista
Windows 8.1
Windows 8
Windows 7


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CvtResUI.dll Microsoft® Resource File To COFF Object Conversion Utility Errors/Warnings/Messages Microsoft® Visual Studio® 2005 (8.00.50727.9348) 11416 C:\Windows\System32\wbem\Performance\
Microsoft.Vsa.Vb.CodeD... Microsoft.Vsa.Vb.CodeDOMProcessor.dll Microsoft (R) Visual Studio (R) 2005 (8.0.50727.8825) 12800 C:\Windows\Panther\NewOs\Panther\
api-ms-win-core-errorh... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 18040 C:\Users\Tester\AppData\Local\
UIAutomationTypes.dll UIAutomationTypes.dll Microsoft® .NET Framework (3.0.6920.8833) 98304 C:\Windows\inf\WmiApRpl\0009\
WindowsBase.ni.dll Dynamic Link Library PrimoPDF 5.1.0.2 4978176 C:\Program Files\Common Files\microsoft shared\...

Other Files Related to MmcAspExt.dll

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log PrimoPDF 5.1.0.2 10519 C:\Windows\System32\Sysprep\Panther\
SA.DAT Game Data Nitro Pro 13.2.6.26 6 C:\WINDOWS\Tasks\
PerfCounters.h C/C++/Objective-C Header PrimoPDF 5.1.0.2 844 C:\Windows\inf\Windows Workflow Foundation 3.0....
WmiApRpl.h C/C++/Objective-C Header PrimoPDF 5.1.0.2 3444 C:\Windows\System32\wbem\Performance\
api-ms-win-core-profil... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 10600 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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