diff --git a/addons/account/account_installer.xml b/addons/account/account_installer.xml
index 6007d45ba10..2d0ab3ae092 100644
--- a/addons/account/account_installer.xml
+++ b/addons/account/account_installer.xml
@@ -59,7 +59,7 @@
              <field name="action_id" ref="action_account_configuration_installer"/>
              <field name="category_id" ref="category_accounting_configuration"/>
              <field name="sequence">3</field>
-             <field name="type">automatic</field>
+             <field name="type">manual</field>
          </record>
 
         <record id="action_view_financial_accounts_installer" model="ir.actions.act_window">
diff --git a/addons/account/res_config.py b/addons/account/res_config.py
index 8f922752054..2c6208bd570 100644
--- a/addons/account/res_config.py
+++ b/addons/account/res_config.py
@@ -37,7 +37,7 @@ class account_configuration(osv.osv_memory):
     _defaults = {
         'tax_policy': 'global_on_order',
     }
-    
+
     def get_default_tax_policy(self, cr, uid, ids, context=None):
         applied_groups = self.get_default_applied_groups(cr, uid, ids, context=context)
         if applied_groups.get('group_sale_taxes_global_on_order'):
@@ -47,14 +47,14 @@ class account_configuration(osv.osv_memory):
         else:
             applied_groups.update({'tax_policy': 'no_tax'})
         return applied_groups
-    
+
     def _check_default_tax(self, cr, uid, context=None):
         ir_values_obj = self.pool.get('ir.values')
         for tax in ir_values_obj.get(cr, uid, 'default', False, ['product.product']):
             if tax[1] == 'taxes_id':
                 return tax[2]
         return False
-    
+
     def default_get(self, cr, uid, fields_list, context=None):
         ir_values_obj = self.pool.get('ir.values')
         res = super(account_configuration, self).default_get(cr, uid, fields_list, context=context)
@@ -70,7 +70,7 @@ class account_configuration(osv.osv_memory):
         if self._check_default_tax(cr, uid, context) and res['fields'].get('tax_value'):
             res['fields']['tax_value'] = {'domain': [], 'views': {}, 'context': {}, 'selectable': True, 'type': 'many2one', 'relation': 'account.tax', 'string': 'Value'}
         return res
-    
+
     def set_tax_policy(self, cr, uid, ids, vals, context=None):
         data_obj = self.pool.get('ir.model.data')
         users_obj = self.pool.get('res.users')
@@ -98,30 +98,10 @@ class account_configuration(osv.osv_memory):
             users_obj.write(cr, uid, [uid], {'groups_id': [(3,remove_group_id)]})
             ir_values_obj.set(cr, uid, 'default', False, 'groups_id', ['res.users'], [(3,remove_group_id)])
         else:
-            groups += [order_group_id, remove_group_id]
+            groups = [order_group_id, remove_group_id]
             for group_id in groups:
                 groups_obj.write(cr, uid, [user_group_id], {'implied_ids': [(3,group_id)]})
                 users_obj.write(cr, uid, [uid], {'groups_id': [(3,group_id)]})
                 ir_values_obj.set(cr, uid, 'default', False, 'groups_id', ['res.users'], [(3,group_id)])
 
-    def set_tax_value(self, cr, uid, ids, vals, context=None):
-        chart_account_obj = self.pool.get('wizard.multi.charts.accounts')
-        acc_installer_obj = self.pool.get('account.installer')
-        chart_template_obj = self.pool.get('account.chart.template')
-        tax_obj = self.pool.get('account.tax')
-        chart_template_ids = chart_template_obj.search(cr, uid, [('visible', '=', True)], context=context)
-        taxes = []
-        if chart_template_ids:
-            name = _('Tax %.2f%%') % vals.get('tax_value')
-            taxes = tax_obj.search(cr, uid, [('name', '=', name)], context=context)
-        check_default_taxes = self._check_default_tax(cr, uid, context)
-        if not check_default_taxes and not taxes:
-            installer_id = acc_installer_obj.create(cr, uid, {}, context=context)
-            acc_installer_obj.execute(cr, uid, [installer_id], context=context)
-            if chart_template_ids:
-                code_digits = chart_account_obj.onchange_chart_template_id(cr, uid, [], chart_template_ids[0], context=context)['value']['code_digits']
-                object_id = chart_account_obj.create(cr, uid, {'code_digits': code_digits}, context=context)
-                chart_account_obj.execute(cr, uid, [object_id], context=context)
-        return check_default_taxes
-    
 account_configuration()
\ No newline at end of file
diff --git a/addons/sale/res_config.py b/addons/sale/res_config.py
index 9d44d29aed0..c03cce24d8c 100644
--- a/addons/sale/res_config.py
+++ b/addons/sale/res_config.py
@@ -77,31 +77,8 @@ class sale_configuration(osv.osv_memory):
                                     help="Install account_analytic_analysis module: This module is for modifying account analytic view to show important data to project manager of services companies."),
     }
 
-    def get_default_applied_groups(self, cr, uid, ids, context=None):
-        applied_groups = {}
-        user_obj = self.pool.get('res.users')
-        dataobj = self.pool.get('ir.model.data')
-
-        groups = []
-        user_group_ids = user_obj.browse(cr, uid, uid, context=context).groups_id
-
-        for group_id in user_group_ids:
-            groups.append(group_id.id)
-
-        for id in groups:
-            key_id = dataobj.search(cr, uid,[('res_id','=',id),('model','=','res.groups')],context=context)
-            key = dataobj.browse(cr, uid, key_id[0], context=context).name
-            applied_groups[key] = True
-
-        return applied_groups
-
     def get_default_installed_modules(self, cr, uid, ids, context=None):
-        module_obj = self.pool.get('ir.module.module')
-        module_ids = module_obj.search(cr, uid,
-                           [('name','in',MODULE_LIST),
-                            ('state','in',['to install', 'installed', 'to upgrade'])],
-                           context=context)
-        installed_modules = dict([(mod.name,True) for mod in module_obj.browse(cr, uid, module_ids, context=context)])
+        installed_modules = {}
         if installed_modules.get('project_mrp') and installed_modules.get('project_timesheet'):
             installed_modules['task_work'] = True
         if installed_modules.get('account_analytic_analysis'):
@@ -126,13 +103,6 @@ class sale_configuration(osv.osv_memory):
             result[res[1]] = res[2]
         return result
     
-    def get_default_groups(self, cr, uid, ids, context=None):
-        ir_values_obj = self.pool.get('ir.values')
-        result = {}
-        for res in ir_values_obj.get(cr, uid, 'default', False, ['res.users']):
-            result[res[1]] = res[2]
-        return result
-    
     def default_get(self, cr, uid, fields_list, context=None):
         result = super(sale_configuration, self).default_get(
             cr, uid, fields_list, context=context)
@@ -163,23 +133,13 @@ class sale_configuration(osv.osv_memory):
                 getattr(self, method)(cr, uid, ids, vals, context)
         return True
 
-    def set_modules(self, cr, uid, ids, vals, context=None):
-        module_obj = self.pool.get('ir.module.module')
-        MODULE_LIST = vals.get('modules')
-        if vals.get('task_work'):
-            vals.update({'project_timesheet': True,'project_mrp': True})
-        if vals.get('timesheet'):
-            vals.update({'account_analytic_analysis': True})
-        for k, v in vals.items():
-            if k in MODULE_LIST:
-                installed = self.get_default_installed_modules(cr, uid, [k], context)
-                if v == True and not installed.get(k):
-                    module_id = module_obj.search(cr, uid, [('name','=',k)])
-                    module_obj.button_immediate_install(cr, uid, module_id, context)
-                elif v == False and installed.get(k):
-                    module_id = module_obj.search(cr, uid, [('name','=',k)])
-                    module_obj.button_uninstall(self, cr, uid, module_id, context=None)
-                    module_obj.button_upgrade(self, cr, uid, module_id, context=None)
+#    def set_installed_modules(self, cr, uid, ids, vals, context=None):
+#        module_obj = self.pool.get('ir.module.module')
+#        MODULE_LIST = vals.get('modules')
+#        if vals.get('task_work'):
+#            vals.update({'project_timesheet': True,'project_mrp': True})
+#        if vals.get('timesheet'):
+#            vals.update({'account_analytic_analysis': True})
 
     def set_sale_defaults(self, cr, uid, ids, vals, context=None):
         ir_values_obj = self.pool.get('ir.values')
@@ -216,30 +176,9 @@ class sale_configuration(osv.osv_memory):
             
         return res
 
-    def set_groups(self, cr, uid, ids, vals, context=None):
-        data_obj = self.pool.get('ir.model.data')
-        users_obj = self.pool.get('res.users')
-        groups_obj = self.pool.get('res.groups')
-        ir_values_obj = self.pool.get('ir.values')
-        dummy,user_group_id = data_obj.get_object_reference(cr, uid, 'base', 'group_user')
-        for group in vals.keys():
-            if group.startswith('group_'):
-                dummy,group_id = data_obj.get_object_reference(cr, uid, 'base', group)
-                if vals[group]:
-                    groups_obj.write(cr, uid, [user_group_id], {'implied_ids': [(4,group_id)]})
-                    users_obj.write(cr, uid, [uid], {'groups_id': [(4,group_id)]})
-                    ir_values_obj.set(cr, uid, 'default', False, 'groups_id', ['res.users'], [(4,group_id)])
-                else:
-                    groups_obj.write(cr, uid, [user_group_id], {'implied_ids': [(3,group_id)]})
-                    users_obj.write(cr, uid, [uid], {'groups_id': [(3,group_id)]})
-                    ir_values_obj.set(cr, uid, 'default', False, 'groups_id', ['res.users'], [(3,group_id)])
-
-    def onchange_tax_policy(self, cr, uid, ids, tax_policy, tax_value, context=None):
-        res = {'value': {}}
-        if isinstance(tax_value, (int)):
-            self.set_default_taxes(cr, uid, ids, {'tax_value': [tax_value]}, context=context)
+    def onchange_tax_policy(self, cr, uid, ids, tax_policy, context=None):
         self.set_tax_policy(cr, uid, ids, {'tax_policy': tax_policy}, context=context)
-        return res
+        return {'value': {}}
     
     def set_default_taxes(self, cr, uid, ids, vals, context=None):
         ir_values_obj = self.pool.get('ir.values')
diff --git a/addons/sale/res_config_view.xml b/addons/sale/res_config_view.xml
index de9cc93080e..f9e698cfb81 100644
--- a/addons/sale/res_config_view.xml
+++ b/addons/sale/res_config_view.xml
@@ -37,11 +37,7 @@
                             <group  colspan="4" col="4">
                                <field name="group_sale_pricelist_per_customer"/>
                                <newline/>
-                               <group colspan="4" col="4">
-                                    <field name="tax_policy" on_change="onchange_tax_policy(tax_policy,tax_value)"/>
-                                    <field name="tax_value" nolabel="1" attrs="{'invisible':[('tax_policy','=','no_tax')]}"
-                                                            on_change="onchange_tax_policy(tax_policy,tax_value)"/>
-                               </group>
+                               <field name="tax_policy" on_change="onchange_tax_policy(tax_policy)"/>
                                <newline/>
                                <field name="sale_margin"/>
                                <newline/>