The programmer cannot identify the PIC chip.
Use the "CCSDriverInstall.exe" found in your install folder to refresh the Windows USB stack for your programmer. ccs pcwhd 5076 ccsload 5045 link
The reason developers search for these specific versions together is due to . If you compile code in PCWHD 5.076, but your CCSLOAD software is an older version (like 4.x), the programmer may fail to recognize the configuration bits or the specific memory mapping of the newer chip headers. Common issues when versions aren't linked: The programmer cannot identify the PIC chip