The file s32krnlf.dll is a component of the Symantec Kernel API Library, which is Symantec Core Technology created by the Symantec Corporation. An API (application programming interface) is used to allow interaction between two different computer programs. This file is a dynamic link library file, which contains code and other instructions that can be used as needed by your computer.
If you are seeing an error with this file, your Symantec programs, which may include the entire Norton line of security software, may not run correctly. You should clean your registry to solve this issue.
The registry is a database used by Windows to keep track of every file installed on your computer. Mistakes in the registry are the most common cause of dll file errors. Cleaning the registry is a matter of going through the thousands of registry entries looking for and fixing mistakes.
Rather than doing that job manually, run ZookaWare PC Cleaner. ZookaWare PC Cleaner will find and fix every error in your registry, getting your system healthy again.