A problem with the l1wnof.dll file may mean that you have an error in your Lotus 1-2-3 software from Lotus Development Corporation. This file is a component of Lotus 1-2-3 and has been found in the installation software of the Lotus SmartSuite version of the program. Lotus 1-2-3 is the spreadsheet application that belongs to the office productivity package of programs sold as Lotus SmartSuite. To repair errors with this file, you should clean your Windows registry.
The Windows registry tracks everything installed on your computer. When you run a program, Windows checks with the registry to find out what files it needs and how to use them. A mistake in a registry entry can mean that Windows won’t find needed files, and your software won’t run. ZookaWare PC Cleaner cleans up registry mistakes to get your system healthy again. ZookaWare PC Cleaner hunts down and blasts away every error in your registry, guaranteed. Try a free ZookaWare PC Cleaner scan to find out what errors are slowing your computer.