Error, "System.UnauthorizedAccessException: Access is denied." Cuando se cierra o se abre Toad Data Point (4232009)

El error a continuación ocurre después de cerrar el programa la primera vez y luego intento abrirlo otra vez.  También recibo el error cuando intento ingresar mi password cuando estoy creando una nueva conexión.

  System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

Stack trace:

at System.ConfigServer.RunParser(IConfigHandler factory, String fileName)
at System.ConfigTreeParser.Parse(String fileName, String configPath, Boolean skipSecurityStuff)
at System.ConfigTreeParser.Parse(String fileName, String configPath)
at System.Security.Cryptography.CryptoConfig.InitializeConfigInfo()
at System.Security.Cryptography.CryptoConfig.CreateFromName(String name, Object[] args)
at System.Security.Cryptography.SHA1.Create(String hashName)
at System.Security.Cryptography.SHA1.Create()
at Quest.Toad.Util.Encryption.SetupDesProvider(SymmetricAlgorithm des, String sKey)
at Quest.Toad.Util.Encryption.Encrypt(String valueToEncrypt, String sKey)
at Quest.Toad.Util.Encryption.Encrypt(String valueToEncrypt)
at Quest.Toad.ConnectionManager.ConnectMediator.set_Password(String value)
at Quest.Toad.Odbc.OdbcConnectionControl.editCtrlPassword_EditValueChanged(Object sender, EventArgs e)
at DevExpress.XtraEditors.Repository.RepositoryItem.RaiseEditValueChangedCore(EventArgs e)
at DevExpress.XtraEditors.Repository.RepositoryItem.RaiseEditValueChanged(EventArgs e)
at DevExpress.XtraEditors.BaseEdit.RaiseEditValueChanged()
at DevExpress.XtraEditors.BaseEdit.OnEditValueChanged()
at DevExpress.XtraEditors.TextEdit.OnEditValueChanged()
at DevExpress.XtraEditors.BaseEdit.OnEditValueChanging(ChangingEventArgs e)
at DevExpress.XtraEditors.BaseEdit.set_EditValue(Object value)
at DevExpress.XtraEditors.TextEdit.OnMaskBox_ValueChanged(Object sender, EventArg