If you get an error message telling you that you are using the wrong version of mapi32.dll or that the file is corrupted, you might have installed other messaging software after you installed Microsoft Outlook.

If you see this type of message, you can fix it by running the following programs.

Be aware that you can cause permanent damage to your computer system if the Mapi32.dll error is left unrepaired.

Download and install them one at a time, so as not to cause conflicts;

1. Download Driver Software Update - updates the drivers that control your computer.
2. Download Mapi32.dll Fix - helps fix Mapi32.dll on your system.
   

To start the installation immediately, click Open or Run this program from its current location. Or to save the download to your computer for installation at a later time, click Save or Save this program to disk.

Once installed, run each program by pressing its scan/update button. Once the checks are done, you can let the tools fix the problem or use their reports to repair it yourself.

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MAPi32.dll which stands for Windows Messaging API is a module or a process belonging to the MAPI program and is used in many email applications. But often many errors arise due to the wrong/corrupted version of MAPi which happens when the user tries to open MS Outlook or when rebooting the system, or when the user tries to install any software like i-tunes when the corrupted version of mapi32.dll is installed in the system.

Usually when using any email applications, often another program such as Netscape and other browsers overwrites this map32.dll file and so many errors as mentioned above arise due to this.

Basically, files with the extension .dll are those required to run the windows operating system. An unknown file with an extension .dll can even be a virus use to manipulate the users, XP operating system. Some programs may require the assistance of DLL which are nothing but Dynamic Link Libraries. There is a greater chance of them getting affected (mainly by virus) and we need to replace them properly.

The problems encountered on windows operating system by these files appear to be inferior to what was once experienced. This is because of the newer advanced versions of OS introduced by Microsoft. In that manner, windows XP and windows vista do not face a serious problem because of this file as that faced by lower versions of windows such as 98, 2000 and 2003.

Let us now discuss about how this problem usually occurs. The user might have created an association of file with media player of windows. Right clicking on the properties of DLL file and choosing media player options might have caused the errors associated with .dll. This kind of action must only be done in other media files or MP 3 files but not with the files of Dynamic Link Library. When one application opens the DLL file from system folder while another application tries to open the same but from software folder, the errors associated with .dll files occurs.

Dll files are used by almost all the applications dealt by windows operating system of Microsoft. Each application may use one or more dll files and they are essential for proper running of these applications. These dll files cannot be changed.

The major symptom of our computer facing problems with .dll files is that the speed of the computer becomes lessened. Applications associated with windows might collapse. Windows 98 and 2000 mainly faced the problem in usage of newer versions of DLL files.

The major difference between these dll files and exe files is that the former cannot be directly executed. Also it cannot run as a single individual file. In short, it is not stand alone. It is simply a file required by various applications of windows to run them.

At least one registry entry of dll files is required for the applications to function properly. Before removing the old dll, we must make sure that it is not used by any application of windows.

With developments in operating system released by Microsoft, the errors associated with files with the extension.dll have become obsolete and easy to recognize and rectify.