Download MapiProxy.dll and Fix DLL Errors

Last Updated: 12/13/2023
[Average Read Time: 4.5 minutes]

Dynamic Link Library files such as MapiProxy.dll utilize the DLL file extension. This file is considered a Win32 DLL (Dynamic link library) file, and was first created by Qualcomm for the Eudora software package.

The first version of MapiProxy.dll was released for the Windows 10 Operating System on 10/22/2019 inside Mozilla Thunderbird 68.2.0. The latest file update released for Eudora OSE 1 was on 12/06/2010 [file version 0.8].

Below, you find comprehensive file information, instructions for simple DLL file troubleshooting, and list of free MapiProxy.dll downloads for each available file version.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: MapiProxy.dll
File Extension: DLL file extension
Object File Type: Dynamic link library
File Type: Dynamic Link Library
Description: Dynamic Link Library
Comments: Mozilla Thunderbird Thunderbird MAPI Proxy Dll
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Mozilla.org
Software Program: Eudora
Legal Copyright: ©Thunderbird and Mozilla Developers, according to the MPL 1.1/GPL 2.0/LGPL 2.1 licenses, as applicable.
File Details
Character Set: Unicode
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x146e
Code Size: 3072


What are MapiProxy.dll Error Messages?


Dynamic Link Library MapiProxy.dll Errors

MapiProxy.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like MapiProxy.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Eudora OSE) could share the same MapiProxy.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 MapiProxy.dll is attempted to be loaded either when Eudora OSE is starting up, or in some cases already running. Some of the most common MapiProxy.dll errors include:

Your MapiProxy.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Eudora OSE), or deleted by a malware infection. Furthermore, MapiProxy.dll file corruption could be caused from a power outage when loading Eudora OSE, system crash while loading MapiProxy.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 MapiProxy.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 MapiProxy.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 MapiProxy.dll error, please proceed to the Step 2 below.

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

You can uninstall Eudora OSE 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 Eudora OSE 1 and click "Uninstall"
  5. Follow the prompts for uninstallation.

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

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

Eudora OSE 1

Qualcomm

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 MapiProxy.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 MapiProxy.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 MapiProxy.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 MapiProxy.dll file version. We maintain a comprehensive database of 100% malware-free MapiProxy.dll files for every applicable version of Eudora OSE. 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 MapiProxy.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Eudora OSE folder location:
    Windows 10: C:\Program Files (x86)\Eudora OSE\
    Windows 10: C:\Program Files (x86)\Mozilla Thunderbird\
  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 MapiProxy.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 MapiProxy.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying MapiProxy.dll to your appropriate Windows system directory. Qualcomm typically does not release Eudora OSE 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 MapiProxy.dll and all other DLL files for Eudora OSE. 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


Files Related to MapiProxy.dll


DLL Files Related to MapiProxy.dll

File Name Description Software Program (Version) File Size (bytes) File Location
msvcp140_2_app.dll Microsoft® C Runtime Library _2 Microsoft® Visual Studio® 2017 (14.22.27810.0) 166752 C:\Program Files (x86)\Common Files\System\Ole ...
System.Core.ni.dll Dynamic Link Library Eudora OSE 1 2305024 C:\Windows\System32\Sysprep\Panther\
System.Management.ni.dll Dynamic Link Library Eudora OSE 1 1059328 C:\Program Files (x86)\Common Files\microsoft s...
Qt5PrintSupport.dll C++ Application Development Framework Qt5 (5.11.1.0) 275816 C:\Users\Tester\AppData\Local\Microsoft\Windows\
SharedUI.dll SharedUI.dll Entertainment Platform (10.19101.107100000-19101) 289280 C:\Program Files (x86)\Common Files\microsoft s...

Other Files Related to MapiProxy.dll

File Name Description Software Program (Version) File Size (bytes) File Location
WmiApRpl.h C/C++/Objective-C Header Eudora OSE 1 3444 C:\Windows\System32\wbem\Performance\
diagwrn.xml Extensible Markup Language Eudora OSE 1 44683 C:\Windows\Panther\UnattendGC\
snapshot.etl Microsoft Event Trace Log Eudora OSE 1 360448 C:\Windows\System32\WDI\{86432a0b-3c7d-4ddf-a89...
api-ms-win-core-consol... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11624 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
ntuser.dat Game Data Eudora OSE 1 262144 C:\Windows\ServiceProfiles\NetworkService\


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