The file l1wcal.dll belongs to Lotus 1-2-3 from Lotus Development Corporation, now part of IBM.  This file may be a part of the Lotus SmartSuite version of Lotus 1-2-3.  This program was the first spreadsheet application for the PC.  An error with the l1wcal dynamic link library file may mean that you cannot use this program.  You should try to clean your registry to fix this issue.

When you get a dll file error, the problem is often related to your computer’s registry.  The registry works as an information booth at the heart of Windows, telling your computer where to find files it needs to run your programs along with information on how to use those files.  A mistake in the registry can break a program.  ZookaWare PC Cleaner cleans up mistakes in your registry.  ZookaWare PC Cleaner is designed to find and fix every error in your registry, guaranteed.

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