LocalApphelp
LocalApphelp is a component of the Microsoft Windows operating system. Its primary function is to provide application compatibility support for older programs that may not run correctly on newer versions of Windows. When an application is launched, LocalApphelp checks if it requires any specific compatibility fixes or shims to operate. These shims are small pieces of code that intercept and modify certain application calls to the operating system, effectively tricking the older application into believing it is running on an older, compatible operating system.
The LocalApphelp service is part of the Application Compatibility Infrastructure. It works in conjunction with Application