Issue running Arduino IDE 1.8.5 application in Ubuntu MATE 18.04

Sorry it's been a while. Just got back to using my system!
Anyway, when I did the

./arduino

command, I got this error:

skyler@skyler-desktop:~/Downloads/Arduino$ ./arduino
./arduino: line 35: /home/skyler/Downloads/Arduino/java/bin/java: cannot execute binary file: Exec format error

and it doesn't launch. When I typed the

./install

command, I got this:

skyler@skyler-desktop:~/Downloads/Arduino$ ./install.sh
Adding desktop shortcut, menu item and file associations for Arduino IDE...touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
touch: cannot touch '/home/skyler/.local/share/icons/hicolor/.xdg-icon-resource-dummy': No such file or directory
 done!

an I'm now stumped. I'm pretty sure that the launching application is the one to blame, and not the install. Is there anything else I should try?

EDIT: I solved the installation issue by aforementioned above by naming the folder to a different name. Apparently some Arduino users pointed out that it isn't a smart idea to install the Arduino IDE when the name of the folder is "Arduino" or "arduino", because it apparently brings up issues with accessing certain execution files. However, I still have not been able to run the program with the standard ./arduinocommand. It now says:

skyler@skyler-desktop:~/Documents/Compiler$ ./arduino
./arduino: line 35: /home/skyler/Documents/Compiler/java/bin/java: cannot execute binary file: Exec format error

again, is there anything that could work or a mistake that I am making?
P.S. I moved the Arduino files to the documents and renamed the folder "Compiler".