Epepcnp64.dll -

Use or Malwarebytes to ensure the DLL isn't a fake.

This typically happens on systems because of a security feature called LSA Protection . Windows blocks the DLL because it perceives the attempt to "hook" into the Local Security Authority as a potential risk, even if the file is legitimate. How to Fix EpePcNp64.dll Issues epepcnp64.dll

The most effective fix is to reinstall the McAfee/Trellix Endpoint Security suite. This process will overwrite any missing or corrupted files with fresh, working copies from the installer. Use or Malwarebytes to ensure the DLL isn't a fake

Open and run:

The file is a core component of the Trellix (formerly McAfee) Drive Encryption software. It serves as a Network Provider DLL, facilitating communication between the operating system’s Local Security Authority (LSA) and the encryption agent to handle user authentication and pre-boot environments. How to Fix EpePcNp64

If you are using an Epson network printer and you see this DLL running in Task Manager, run a full antivirus scan immediately.