How to compare two sets of brain MRI images and give diff color in the different parts?

Support
1

Operating system: Window
Slicer version: 4.8.1
Expected behavior:
I would like to see the difference with red color
after comparsion of the two sets of MRI data

Actual behavior:
4.8.1 is not loading after I click, it is automatically deactivates and does nothing.

2

Please follow these instructions:

https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/Troubleshooting#Debugging_Slicer_application_startup_issues