I am trying to replace shell32.dll, msgina.dll and shadocvw.dll with custon dll's for the current theme I am using (ChaNinja).<BR><BR>When I try to replace the dll files by booting into Safe Mode ...

But some services are written in DLL files, and they cannot be executed directly. Microsoft shifted to DLL files as they were easy to maintain and update from a programming point of view.

Fix error Failed to register a VB Script dll, Reinstall or run Regsvr32.exe Vbscript.dll to self register, when you open Outlook or any other program.

A new technique uses a simplified process of DLL hijacking and mock directories to bypass Windows 10's UAC security feature and run elevated commands without alerting a user.