I have been using Foxit Reader version 126.96.36.1994. The colored PDF file is not seen colored, instead it looks black and white. What is the problem? How can this problem be solved?
Try uninstalling the application and then installing it again. This should fix it. Most likely, the error is caused by a bad setting within the application. Unfortunately, I didn't find a similar case for the software, therefore it's easier to just uninstall the app and reinstall it again.