The l1wcaf.dll files is a component of the installation software for Lotus 1-2-3 developed by Lotus Development Corporation.  This file is part of the installation used with Lotus SmartSuite. Lotus SmartSuite is Lotus’ office software set.  Lotus 1-2-3 is the database program of the set, and has been around since 1983 in many different versions.

An error with this dynamic link library file could adversely impact your use of Lotus applications. If you get an error with this dll file, you should clean your computer’s registry with a registry cleaner like ZookaWare PC Cleaner.

Errors involving dll files are usually related to the Windows registry. The registry is a database that tracks files associated with different programs, so Windows knows where to find those files when it is time to run them.  If the registry doesn’t match the reality on your computer, you get an error.

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