rapi.dll Error Fix

What is a DLL?

Dynamic Link Library (DLL) files contain computer code and resources that can be used by multiple programs at the same time. This lowers memory use and helps your system run more efficiently. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

Many programs depend on DLL files to function properly so when one is corrupted or missing it causes program crashes and poor system performance.

What is rapi.dll?

Rapi.dll is a part of the mobile device remote application programing interface which is the core of Microsoft’s ActiveSync application. Rapi.dll is designed to synchronize information from Windows powered mobile devices with personal computers (PC) running Windows and Microsoft Outlook.

Rapi.dll is installed on Windows PCs and is used with a connection cable or cradle device to communicate functions from the PC to the mobile device.

Through the use of rapi.dll Windows ActiveSync is given the ability to view files, create folders, and change the registry of your Windows mobile PC through the desktop computer. Rapi.dlls core task is to communicate funtions from a desktop computer by invoking certain functions from a mobile device and displays the needed application on the desktop computer.

Recommended fix if you are experiencing rapi.dll errors:

DLL files are used by many programs on the Windows operating system so when one is damaged or missing it causes program errors and system crashes. To fix these issues you must replace the damaged or missing file with a working version. If you are unable to do so you also have the option of reinstalling your operating system.

Rapi.dll is created by:

Microsoft Corporation

Known file path:


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Click the Download button below to run a free dll scan to find out if you have missing or corrupt dll files on your computer.

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