diff --git a/model/Database.cpp b/model/Database.cpp
index 019d0e0..1d8d48a 100644
--- a/model/Database.cpp
+++ b/model/Database.cpp
@@ -262,6 +262,8 @@ void Database::LoadYear(User* user, int year)
   if (user->_operations[year] == NULL)
     user->_operations[year] = new std::map<unsigned int, std::vector<operation> >();
 
+  if (!user->_accounts.size()) return;
+
   it = user->_accounts.begin();
   req = _("SELECT * FROM operation WHERE account IN('") + it->id;
   it++;
diff --git a/view/PreferencesPanel.cpp b/view/PreferencesPanel.cpp
index 33078bf..f149f93 100644
--- a/view/PreferencesPanel.cpp
+++ b/view/PreferencesPanel.cpp
@@ -246,6 +246,11 @@ void PreferencesPanel::OnAccountModified(wxGridEvent& event)
 
       if (col == ACCOUNT_DELETE)
 	{
+	  if (user->_accounts.size() == 1)
+	    {
+	      wxMessageBox(_("It must be at least one account"), _("Error"), wxICON_ERROR | wxOK);
+	      return;
+	    }
 	  wxMessageDialog dialog(_wxUI, _("Are you sure want to delete ")+new_account.name, _("KissCount"), wxYES_NO);
 	  if (dialog.ShowModal() == wxID_NO)
 	    {
@@ -447,7 +452,7 @@ void PreferencesPanel::OnKillMe(wxCommandEvent& event)
 {  
   User* user = _kiss->GetUser();
 
-  wxMessageDialog dialog(_wxUI, _("Are you sure want to delete ")+user->_name+_(" account ?"), _("KissCount"), wxYES_NO);
+  wxMessageDialog dialog(_wxUI, _("Are you sure want to delete ")+user->_name+_(" profil ?"), _("KissCount"), wxYES_NO);
   if (dialog.ShowModal() == wxID_NO)
     {
       return;