Compiler message “fatal error: plib.h: No such file or directory” Cause plib.h is no longer shipped with latest version XC32 compiler as of June 2017 (from V1.40). The peripherals “includes” are also no longer shipped. Remedy Go to: https://www.microchip.com/mplab/compilers Downloads tab > Current Peripheral Libraries The Peripheral libraries requires the install of another software package. […]