User Guide

MPLAB

PICkit™ 4 User’s Guide

DS50002751C-page 40  2018 Microchip Technology Inc.

Unable to download program executive

If you receive this error while attempting to program:

1. Deselect the debugger as the programmer.

2. Close your project and then close MPLAB X IDE.

3. Restart MPLAB X IDE and re-open your project.

4. Reselect the debugger as your programmer and attempt to program your target

device again.

If these fail to fix the problem or if there are no instructions, see

Section 6.3.4 “Corrupted Installation Actions”.

6.2.3 Debug Failure Errors

The target device is not ready for debugging. Please check your configuration bit

settings and program the device before proceeding.

You will receive this message when you have not programmed your device for the first

time and try to Run. If you receive this message after this, or immediately after

programming your device, please refer to Section 6.3.6 “Debug Failure Actions”.

The device is code protected.

The device on which you are attempting to operate (read, program, blank check or

verify) is code protected, i.e., the code cannot be read or modified. Configuration bits

setting for code protection (Windows>Target Memory Views>Configuration Bits

Disable code protection, set or clear the appropriate Configuration bits in code or in the

Configuration Bits window according to the device data sheet. Then erase and

reprogram the entire device.

If these actions fail to fix the problem, see Section 6.3.2 “Debugger-to-Target Com-

munication Error Actions” and Section 6.3.6 “Debug Failure Actions”.

6.2.4 Miscellaneous Errors

MPLAB PICkit 4 is busy. Please wait for the current operation to finish.

If you receive this error when attempting to deselect the debugger as a debugger or

programmer:

1. Wait - give the debugger time to finish any application tasks. Then try to deselect

the debugger again.

2. Select (Finish Debugger Session) to stop any running applications. Then, try

to deselect the debugger again.

3. Unplug the debugger from the computer. Then try to deselect the debugger

again.

4. Shut down MPLAB X IDE.