Mprapi.dll Was Not Found

Function
Mprapi.dll is a system file that belongs to the Multiple Provider Router Administration. This file is primarily responsible for network connections. It is used to connect to the Windows and Novell network at the same time. Applications also rely on the file to perform network tasks across multiple networks. It's an essential system file found on Windows NT computers.
Error
Mprapi.dll might disappear from the computer system if it was accidentally deleted. Some programs and applications may also interfere with it and cause network connection problems. Common error messages likely to appear on the screen if the file is missing include: 'Mprapi was not found,' or 'A required DLL file Mprapi.dll was not found.'
Solution
If Mprapi.dll error messages appear on the screen, use the System Restore tool to restore your computer to an earlier time before the problems began. A system restore is one of the safest way to solve problems. If the problems persist, use the Windows CD to repair your operating system. To repair the system, insert the CD into the drive, and then boot from the disc. When prompted, select the repair option and follow the guided prompts to repair your operating system.
Recommendation
Mprapi.dll is a system file that isn't installed by a specific program, so downloading a copy from the Internet may or may not work. Several websites offer the file as a download; however, there's no telling whether the file will work or not. If you choose to download the file from a website such as dll-files.com or dlldump.com, follow the guided prompts to install it properly. There's no way to guarantee the file will work, so using system restore or the Windows CD is the best option.