diff --git a/update/emerge_parser.py b/update/emerge_parser.py
index a319a80..e0e36b5 100644
--- a/update/emerge_parser.py
+++ b/update/emerge_parser.py
@@ -32,6 +32,7 @@ from calculate.lib.utils.files import getProgPath, readLinesFile, listDirectory,
 from calculate.lib.utils.colortext.output import XmlOutput
 from calculate.lib.utils.colortext.converter import (ConsoleCodes256Converter,
                                                      XmlConverter)
+from calculate.lib.cl_log import log
 
 from calculate.lib.cl_lang import setLocalTranslate, getLazyLocalTranslate, _
 
@@ -587,6 +588,9 @@ class EmergeCache(object):
                   '/etc/make.profile'),
                   Md5Checkvalue('/var/lib/portage/world',
                   '/var/lib/portage/world_sets')]
+    logger = log("emerge-cache",
+                 filename="/var/log/calculate/emerge-cache.log",
+                 formatter="%(asctime)s - %(levelname)s - %(message)s")
 
     def __init__(self):
         self.files_control_values = {}
@@ -602,14 +606,20 @@ class EmergeCache(object):
             f.write('\n')
             for pkg in package_list:
                 f.write("%s\n"% str(pkg))
+        self.logger.info("Setting cache (%d packages)"%len(package_list))
 
-    def drop_cache(self):
+    def drop_cache(self, reason=None):
         if path.exists(self.cache_file):
             with ignore(OSError):
                 os.unlink(self.cache_file)
+            self.logger.info("Droping cache. Reason: %s"%reason)
+        else:
+            self.logger.info("Droping empty cache. Reason: %s"%reason)
 
     def get_cached_package_list(self):
         self.read_cache()
+        if not path.exists(self.cache_file):
+            self.logger.info("Requesting empty cache")
         if self.check_actuality():
             return self.pkg_list
         return None
@@ -618,7 +628,20 @@ class EmergeCache(object):
         """
         Кэш считается актуальным если ни один из файлов не менялся
         """
-        return self.get_control_values() == self.files_control_values
+        if self.get_control_values() == self.files_control_values:
+            self.logger.info(
+                "Getting actuality cache (%d packages)" % len(self.pkg_list))
+            return True
+        else:
+            reason = "Unknown"
+            for k,v in self.get_control_values().items():
+                if k in self.files_control_values:
+                    if v != self.files_control_values[k]:
+                        reason = "%s was modified"%k
+                else:
+                    reason = "Checksum of file %s is not exist" % k
+            self.logger.info("Failed to get cache. Reason: %s" % reason)
+            return False
 
     def read_cache(self):
         self.files_control_values = {}
diff --git a/update/update.py b/update/update.py
index e7915c7..954cc12 100644
--- a/update/update.py
+++ b/update/update.py
@@ -284,13 +284,10 @@ class Update:
         """
         self.endTask()
         _print = self.color_print
-        if max_num > 1:
-            one = _print.bold("{0}", num)
-            two = _print.bold("{0}", max_num)
-            part = _(" ({current} of {maximum})").format(current=one,
-                                                         maximum=two)
-        else:
-            part = ""
+        one = _print.bold("{0}", num)
+        two = _print.bold("{0}", max_num)
+        part = _(" ({current} of {maximum})").format(current=one,
+                                                     maximum=two)
         if self.is_binary_pkg(pkg,binary):
             _print = _print.foreground(Colors.PURPLE)
         else:
@@ -319,13 +316,10 @@ class Update:
         """
         self.endTask()
         _print = self.color_print
-        if max_num > 1:
-            one = _print.bold("{0}", num)
-            two = _print.bold("{0}", max_num)
-            part = _(" ({current} of {maximum})").format(current=one,
-                                                         maximum=two)
-        else:
-            part = ""
+        one = _print.bold("{0}", num)
+        two = _print.bold("{0}", max_num)
+        part = _(" ({current} of {maximum})").format(current=one,
+                                                     maximum=two)
         _print = _print.foreground(Colors.RED)
 
         self.startTask(
@@ -440,7 +434,8 @@ class Update:
             elog = EmergeLog(
                 EmergeLogNamedTask(ClUpdateAction.log_names['premerge']))
             if check and (elog.list or elog.remove_list):
-                self.emerge_cache.drop_cache()
+                self.emerge_cache.drop_cache(
+                    "Some packages was installed or removed")
                 return params, packages
             installed_pkgs = elog.list
             new_packages = self.emerge_cache.get_cached_package_list()
@@ -476,7 +471,8 @@ class Update:
                 emerge.run()
                 if "@world" in packages:
                     if emerge.install_packages.remove_list:
-                        self.emerge_cache.drop_cache()
+                        self.emerge_cache.drop_cache(
+                            "List has packages for remove")
                     else:
                         self.updateCache(emerge.install_packages.list)
                 if not emerge.install_packages.list:
@@ -484,7 +480,7 @@ class Update:
                     return True
                 self._display_install_package(emerge)
             except EmergeError:
-                self.emerge_cache.drop_cache()
+                self.emerge_cache.drop_cache("Emerge error")
                 self.printPre(self._emerge_translate(emerge.prepare_error))
                 raise
             if self.clVars.Get('cl_update_pretend_set') == 'on':
@@ -520,7 +516,7 @@ class Update:
         try:
             emerge.run()
         except EmergeError:
-            self.emerge_cache.drop_cache()
+            self.emerge_cache.drop_cache("Emerge error")
             if emerge.emerging_error:
                 self.printPre(
                     self._emerge_translate(emerge.emerging_error.log))
@@ -548,7 +544,7 @@ class Update:
                 if not emerge.install_packages.list:
                     return True
             except EmergeError:
-                self.emerge_cache.drop_cache()
+                self.emerge_cache.drop_cache("Emerge error")
                 self.printPre(self._emerge_translate(emerge.prepare_error))
                 raise
             self._startEmerging(emerge)