Are you trying to uninstall Cross Browser through "Programs and Features" on Control Panel but it is always saying "please close all crossbrowse windows and try again" even though nothing is open?
Can't
uninstall Cross Browser from Google Chrome as the error messages stop your
removal procedures?
Are you desired to uninstall Cross Browser from your laptop because it does not work
stably? The error messages pop up telling you the program can not work. And you
can do nothing but closing the error information dialog.

Cross Browser is an outstanding software for you to use on the
internet. However, if it is broken or out of date, you need to remove Cross
Browser instantly. Otherwise you will be annoyed about the corrupted message.
And you need to make sure it is completely removed from your laptop.