I recently got borderlands 2 from the vault sale and every time i try to launch it ,it shows this error code LS-0019-IS-PQR3221225595 i have no clue what to do can anyone help

It sounds like either the DLLs that you are missing are not C++ related or you’ve copied them in the wrong location. Check again, dll-files.com gives you the location were you have to put them.

Additionally, close the Epic Launcher and restart it.