The s32fatl.dll file is a Symantec Utility API (application programming interface) Library created by the Symantec Corporation. This is a part of the core technology employed in the various Symantec programs, and it usually will show up in the Norton branded applications such as the well-known Norton Antivirus.
This dynamic link library contains code and other instructions that can be used by any program that needs them. Errors with this file may break any of the Symantec programs that are relying on this file to run. You should clean your registry if you see errors with this file to try to fix the issue.
A computer seems to be a mish-mash of tons of files, all working together somehow. Part of the reason they work is the registry, a database that tracks all those files for Windows. Mistakes in the registry are the main cause of dll file errors.
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