Drag the Yuuguu application into the trash can.
Note that if you have set Yuuguu to run on Startup, you might want to remove it from your Login Items. Either turn this option off from in Yuuguu's preferences before uninstalling or go to Apple Menu > System Preferences > Accounts > Login Items tab > Yuuguu and click the "-" (minus) button.
Go to Start > Programs > Yuuguu, and select the Uninstall Yuuguu option. On Windows Vista: Scroll through Programs until you see Yuuguu, click on Yuuguu. You will then see the Uninstall Yuuguu option. Double click on this. Yuuguu will then completely un-install itself from your PC.
Windows 7 : Go to Start > AllPrograms > Yuuguu and select the Uninstall option.
See also: Technical Info And Settings | System requirements