If you decided to uninstalled YSI Fx MetaTrader 4 Terminal from a PC please follow instructions below to get everything done successfully.
Open Programs and Features
Please go to the Start Menu and go to the Control Panel. Next, click Programs and Features and select YSI Markets Corporation MT4 Terminal to uninstall.
Uninstall MetaTrader 4
"Delete personal data option" will remove all your MetaTrader 4 personal settings from a PC, and may appear useful if you are not planning to reinstall the program on the same PC.
Confirm the Uninstall
Confirm the uninstall process by clicking "Finish" button. MetaTrader 4 terminal will be uninstalled and the following message should appear on your screen.