Unhandled exception System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.Configuration.ConfigurationErrorsException: '.', hexadecimal value 0x00, is an invalid character. Line 10, position 1. (C:\Users\DF1M\AppData\Local\ATVO\ATVO.ThemeEditor.exe_Url_20i5peym24lqputaulqenl1rj5c1ta5k\1.0.0.0\user.config line 10) ---> System.Xml.XmlException: '.', hexadecimal value 0x00, is an invalid character. Line 10, position 1. at System.Xml.XmlTextReaderImpl.Throw(Exception e) at System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars) at System.Xml.XmlTextReaderImpl.ParseText() at System.Xml.XmlTextReaderImpl.ParseElementContent() at System.Xml.XmlTextReaderImpl.Skip() at System.Configuration.XmlUtil.StrictSkipToNextElement(ExceptionAction action) at System.Configuration.BaseConfigurationRecord.ScanSectionsRecursive(XmlUtil xmlUtil, String parentConfigKey, Boolean inLocation, String locationSubPath, OverrideModeSetting overrideMode, Boolean skipInChildApps) at System.Configuration.BaseConfigurationRecord.ScanSectionsRecursive(XmlUtil xmlUtil, String parentConfigKey, Boolean inLocation, String locationSubPath, OverrideModeSetting overrideMode, Boolean skipInChildApps) at System.Configuration.BaseConfigurationRecord.ScanSections(XmlUtil xmlUtil) at System.Configuration.BaseConfigurationRecord.InitConfigFromFile() --- End of inner exception stack trace --- at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal) at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors) at System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e) --- End of inner exception stack trace --- at System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e) at System.Configuration.Internal.InternalConfigRoot.OnConfigRemoved(InternalConfigEventArgs e) at System.Configuration.Internal.InternalConfigRoot.RemoveConfigImpl(String configPath, BaseConfigurationRecord configRecord) at System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere, Object& result, Object& resultRuntimeObject) at System.Configuration.BaseConfigurationRecord.GetSection(String configKey) at System.Configuration.ConfigurationManager.GetSection(String sectionName) at System.Configuration.ClientSettingsStore.ReadSettings(String sectionName, Boolean isUserScoped) at System.Configuration.LocalFileSettingsProvider.GetPropertyValues(SettingsContext context, SettingsPropertyCollection properties) 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 ATVO.ThemeEditor.Properties.Settings.get_UpgradeRequired() in D:\Users\Nick\Documents\Programming\ATVO\Appgineer.in-TV-Overlay-for-iRacing\ATVO.ThemeEditor\Properties\Settings.Designer.cs:line 103 at ATVO.ThemeEditor.App.OnStartup(StartupEventArgs e) in D:\Users\Nick\Documents\Programming\ATVO\Appgineer.in-TV-Overlay-for-iRacing\ATVO.ThemeEditor\App.xaml.cs:line 101 at System.Windows.Application.<.ctor>b__1_0(Object unused) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)