How to uninstall CROSS BROWSE?

I didn't even want this program in the first place. My little brother tried to download Minecraft Premium for free he ended up installing many viruses including crossbrowse. I unistalled all of the programs but crossbrowse. I tried uninstalling it via control panel but it is always saying "please close all crossbrowse windows and try again" even though nothing is open! I have also gone into my files and manually deleted it.
Please DO NOT GIVE ME A CLEAN UP DOWNLOAD

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