Home > Support > FAQ Product IntroductionFeatureExtended FeatureDemonstration Download Free DownloadRelease History Support FAQMetadata ListContact Develop Developer Center OverviewDownloadRelease HistoryDvelopers FAQ Partner Program BenefitRegister NowFAQ Documentation Company Corporate InformationPress ReleaseAwardsMediaDeveloper's BlogContact Us Partner My ProfileMy Technical SupportUpgrade PartnershipSend SpotlightUse Partner Logo FAQ For WindowsVista/XP System menu may disappear sometimes. Currently, When Ring Menu appear,Ring Menu rarely deletes System Menu.Windows which couldn't be closed can be closed by Task Manager and so on. I can't uninstall Ring Menu Ring Menu is made with Shell Extensions,so you might not able to uninstall directly.In case you uninstall Ring Menu, you should close Explorer.exe Process from Task Manager before uninstall Ring Menu. I can't decompression download files You may fail downloading.Please download again from our website. For WindowsVista Ring Menu don't show some menus which is expanded by the other programs. Ring Menu don't support other program's Shell Extension. Rotating Ring is too heavy. Your machine spac don't accept System Requirement,or In WindowsVista RC1, Animation by WPF(Windows Presentation Foundation) may be too heavy currently. For WindowsXP Ring Menu don't show some icons and descriptions Shortcut menus which is expanded by other programs and othersmight not be listed in Ring Menu Meta Data File.In case of it, Ring Menu couldn't show that icon and description.