MailClient.Mapi.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like MailClient.Mapi.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like DbBackup.exe - to follow. These files were created so that multiple programs (eg. eM Client) could share the same MailClient.Mapi.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 MailClient.Mapi.dll is attempted to be loaded either when eM Client is starting up, or in some cases already running. Some of the most common MailClient.Mapi.dll errors include:
- Access Violation at address - MailClient.Mapi.dll.
- MailClient.Mapi.dll could not be found.
- Cannot find C:\Program Files (x86)\eM Client\MailClient.Mapi.dll.
- Cannot register MailClient.Mapi.dll.
- Cannot start eM Client. A required component is missing: MailClient.Mapi.dll. Please install eM Client again.
- Failed to load MailClient.Mapi.dll.
- The application has failed to start because MailClient.Mapi.dll was not found.
- The file MailClient.Mapi.dll is missing or corrupt.
- This application failed to start because MailClient.Mapi.dll was not found. Re-installing the application may fix this problem.
Your MailClient.Mapi.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with eM Client), or deleted by a malware infection. Furthermore, MailClient.Mapi.dll file corruption could be caused from a power outage when loading eM Client, system crash while loading MailClient.Mapi.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.
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