It sounds like you're asking about fixing the "Budha DLL" error (often misspelled as Buddhadll) in Call of Duty: Black Ops 2, typically related to modding, custom zombies, or using external tools like Redacted or Plutonium.
Additional Troubleshooting Steps
Graphics Drivers: Use the NVIDIA GeForce Experience or AMD Software to check for and install the latest drivers for your graphics card. how to fix buddhadll in black ops 2
Sometimes the game fails to launch due to permission issues on newer versions of Windows. It sounds like you're asking about fixing the
Under the Compatibility tab, check Run this program as an administrator. typically related to modding