The file l1wnlf.dll is a part of Lotus 1-2-3 from the Lotus Development Corporation. This file is part of the installation software of the Lotus SmartSuite version of Lotus 1-2-3. Lotus SmartSuite is an office productivity packages designed for businesses. Lotus 1-2-3 is the spreadsheet application of the suite. An error with this dynamic link library file probably indicates an issue in your Lotus software. This kind of error can usually be repaired by running a registry cleaner. Most dll file errors are due to mistakes in the Windows registry.
The registry is a database of what is on your computer. Windows uses the registry when software is run to find files it needs and how to use those files. If there is a mistake in a registry entry, Windows cannot find what it needs and your programs break. ZookaWare PC Cleaner cleans up registry mistakes to get your software running again. ZookaWare PC Cleaner is guaranteed to find and fix every problem in your registry. Try a free ZookaWare PC Cleaner scan now to see how many mistakes may be lurking in your registry.