The file j9zlib22.dll is a compression library for ZLIB that is part of the IBM SDK (Software Development Kit), Java 2 Technology Edition from International Business Machines Corporation. The ZLIB format is (according to their website) a spiffy, free, unobstrusive and platform-independent compression library. This file allows the ZLIB format to work with this version of Java.
If you see an error with this dynamic link library file, you may want to check your registry for mistakes. The registry monitors the locations of your files, and Windows uses it to find and run those files. If there is a mistake, your programs will not work.
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