high severity error mysql_MySQL启动提示High Severity Error解决方案

使用mysql启动时，提示了一个错误！

High Severity Error

Unhandled Exception

Root element is missing.

点击show details按钮显示

at System.Xml.XmlTextReaderImpl.Throw(Exception e)

at System.Xml.XmlTextReaderImpl.ParseDocumentContent()

at System.Xml.XmlTextReaderImpl.Read()

at System.Xml.XmlTextReader.Read()

at System.Xml.XmlReader.MoveToContent()

at System.Xml.XmlReader.ReadStartElement(String name)

at MySQL.Utility.Classes.CustomSettingsProvider.GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection)

at System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider provider)

at System.Configuration.SettingsBase.GetPropertyValueByName(String propertyName)

at System.Configuration.SettingsBase.get_Item(String propertyName)

at System.Configuration.ApplicationSettingsBase.GetPropertyValue(String propertyName)

at System.Configuration.ApplicationSettingsBase.get_Item(String propertyName)

at MySql.Notifier.Properties.Settings.get_AutoAddPattern()

at MySql.Notifier.Classes.Program.ChangeAutoAddPatternDefaultValue()

at MySql.Notifier.Classes.Program.Main(String[] args)

原因我不清楚

解决办法是：删除C:\Users\Administrator\AppData\Roaming\Oracle\MySQL Notifier文件夹的所有文件，重新启动就好了