The file l1wisr.dll is a component of the installation software for Lotus 1-2-3 from the Lotus Development Corporation. This file belongs to the version of Lotus 1-2-3 that is usually bundled with Lotus SmartSuite. Lotus SmartSuite is the office productivity package from Lotus. Lotus 1-2-3 is the spreadsheet program of the set, and has existed since 1983 in many different versions.
If you are getting an error with this file, you may have problems running your Lotus software. Try cleaning your registry to resolve this issue. The registry is the database Windows uses to keep track of all the files installed on your system. If the registry has a mistake in it, you will get errors. Cleaning the registry is a matter of fixing any mistakes.
Rather than do it manually, let ZookaWare PC Cleaner handle the task for you. ZookaWare PC Cleaner will check all the thousands of entries in the registry for errors and fix them, getting your computer back to work quickly. Try a free ZookaWare PC Cleaner scan now to see if ZookaWare PC Cleaner can help clean your registry.