I've tried redownloading already, but no matter what I try either S3PE won't open, or it'll greet me with this error:

Application failed
Front-end Distribution: 14-0222-1852
Library Distribution: 14-0222-1852
== START ==
Source: System.Configuration
Assembly: System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Configuration system failed to initialize
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 S3PIDemoFE.Properties.Settings.get_EnableFallbackTextPreview()

at S3PIDemoFE.MenuBarWidget..ctor()

at S3PIDemoFE.MainForm.InitializeComponent()

at S3PIDemoFE.MainForm..ctor()

at S3PIDemoFE.MainForm..ctor(String[] args)

at S3PIDemoFE.Program.Main(String[] args)
-----
Source: System.Configuration
Assembly: System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
'.', hexadecimal value 0x00, is an invalid character. Line 9, position 1. (C:\Users\User\AppData\Local\Peter_L_Jones\s3pe.exe_Url_aglewwlxhayyj2k1l5raymhfjyxscc0k\1402.22.1845.33768\user.config line 9)
at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal)

at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors)

at System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e)
-----
Source: System.Xml
Assembly: System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
'.', hexadecimal value 0x00, is an invalid character. Line 9, 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.Configuration.XmlUtil.StrictReadToNextElement(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 ==


How do I go about fixing this?