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dll What is mmcaspext.dll?
MMCASPEXT.DLL is developed by Microsoft Corporation and its description is Microsoft ASP.NET Support DLL. The usual path is %SYSTEMROOT%:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727\ and typical file size is 112448 bytes.
mmcaspext.dll common file locations:
%windir%\MICROSOFT.NET\FRAMEWORK64\V2.0.50727\MMCASPEXT.DLL
%windir%\MICROSOFT.NET\FRAMEWORK\V4.0.30319\MMCASPEXT.DLL
%windir%\MICROSOFT.NET\FRAMEWORK64\V4.0.30319\MMCASPEXT.DLL
mmcaspext.dll error messages
Some commonly known mmcaspext.dll error messages that can show up on your computer are :
The file mmcaspext.dll is missing.
mmcaspext.dll Not Found.
This application has failed to start because mmcaspext.dll was not found. Re-installing the application may fix this problem.
File mmcaspext.dll not found.
mmcaspext.dll not found. Reinstalling might help to fix this.
How to fix a dll error manually?
Note: Do not fix a dll error manually if you are not a computer professional & don’t know what a dll error is and how a dll error occurs. If you do so, there are high changes that you may damage some parts of the registry and some applications would fail to load.

It is important to register the dll so as to avoid any dll errors. To do so, follow the steps listed below:
1. Click on Start.
2. Type “cmd”, right-click on the command prompt option and choose “Run As Admin”.
3. Hit enter.
4. Now type “regsvr32.exe “C:\Windows\System32\mmcaspext.dll.
5. Hit enter.
6.Your dll will be registered.

How to fix mmcaspext.dll Errors with Dll fixer (PC Speedup Pro) ?
Note: Avoid downloading the mmcaspext.dll file individually from any DLL downloader site. If you’ve already downloaded it from these sites, remove mmcaspext.dll from your computer and follow the steps listed below to avoid your system from behaving abnormal :

1.Restart your PC if you haven’t done that already.
This will clear up the remnants of deleted mmcaspext.dll file. In case of any remnants, it is possible that the applications using components of that dll may cause the apps to misbehave. To avoid this, it is necessary that you restart your PC just after deleting the mmcaspext.dll file.

2.Install Dll Fixer’s tool PC Speedup Pro from here. Upgrading the tool to its latest version will fix the mmcaspext.dll error.
PC Speedup Pro registers the missing dll in your PCs registry so that the dll error does not occur again.

3.Run the tool and it will fix the mmcaspext.dll error.
This tool not only repairs a particular dll error but also repairs other missing/corrupt dll files.

4.Click on "Start Repair" button once the scan is over.

This will fix your mmcaspext.dll error.

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