diff --git a/SickBeard.py b/SickBeard.py
index 933bcb1c..a5c476fd 100755
--- a/SickBeard.py
+++ b/SickBeard.py
@@ -19,6 +19,7 @@
 
 # Check needed software dependencies to nudge users to fix their setup
 from __future__ import with_statement
+import functools
 
 import sys
 import shutil
@@ -377,31 +378,35 @@ def main():
             sickbeard.launchBrowser(startPort)
         sys.exit()
 
-    def startup():
-        # Build from the DB to start with
-        loadShowsFromDB()
+    # Build from the DB to start with
+    loadShowsFromDB()
 
-        # Fire up all our threads
-        sickbeard.start()
+    # Fire up all our threads
+    sickbeard.start()
 
-        # Launch browser if we're supposed to
-        if sickbeard.LAUNCH_BROWSER and not noLaunch and not sickbeard.DAEMON and not sickbeard.restarted:
-            sickbeard.launchBrowser(startPort)
+    # Launch browser if we're supposed to
+    if sickbeard.LAUNCH_BROWSER and not noLaunch:
+        sickbeard.launchBrowser(startPort)
 
-        # Start an update if we're supposed to
-        if forceUpdate or sickbeard.UPDATE_SHOWS_ON_START:
-            sickbeard.showUpdateScheduler.action.run(force=True)  # @UndefinedVariable
+    # Start an update if we're supposed to
+    if forceUpdate or sickbeard.UPDATE_SHOWS_ON_START:
+        sickbeard.showUpdateScheduler.action.run(force=True)  # @UndefinedVariable
 
-        # If we restarted then unset the restarted flag
-        if sickbeard.restarted:
-            sickbeard.restarted = False
+    # If we restarted then unset the restarted flag
+    if sickbeard.restarted:
+        sickbeard.restarted = False
 
-    # create ioloop
+    # IOLoop
     io_loop = IOLoop.current()
 
-    io_loop.add_timeout(datetime.timedelta(seconds=5), startup)
+    # Open browser window
+    if sickbeard.LAUNCH_BROWSER and not (noLaunch or sickbeard.DAEMON or sickbeard.restarted):
+        io_loop.add_timeout(datetime.timedelta(seconds=5), functools.partial(sickbeard.launchBrowser, startPort))
 
+    # Start web server
     io_loop.start()
+
+    # Save and restart/shutdown
     sickbeard.saveAndShutdown()
 
 if __name__ == "__main__":
diff --git a/sickbeard/dailysearcher.py b/sickbeard/dailysearcher.py
index a6d97f97..967d3a47 100644
--- a/sickbeard/dailysearcher.py
+++ b/sickbeard/dailysearcher.py
@@ -85,10 +85,10 @@ class DailySearcher():
             with ep.lock:
                 if ep.show.paused:
                     ep.status = common.SKIPPED
-                else:
-                    if ep.status == common.UNAIRED:
-                        logger.log(u"New episode " + ep.prettyName() + " airs today, setting status to WANTED")
-                        ep.status = common.WANTED
+
+                if ep.status == common.UNAIRED:
+                    logger.log(u"New episode " + ep.prettyName() + " airs today, setting status to WANTED")
+                    ep.status = common.WANTED
 
                 if ep.status == common.WANTED:
                     if show not in todaysEps:
@@ -101,7 +101,7 @@ class DailySearcher():
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         if len(todaysEps):
             for show in todaysEps:
@@ -115,6 +115,4 @@ class DailySearcher():
         else:
             logger.log(u"Could not find any needed episodes to search for ...")
 
-        del todaysEps
-
         self.amActive = False
\ No newline at end of file
diff --git a/sickbeard/db.py b/sickbeard/db.py
index b25e107d..92f6d917 100644
--- a/sickbeard/db.py
+++ b/sickbeard/db.py
@@ -111,7 +111,7 @@ class DBConnection(object):
             if self.hasTable('db_version'):
                 result = self.select("SELECT db_version FROM db_version")
         except:
-            pass
+            return 0
 
         if result:
             return int(result[0]["db_version"])
@@ -153,7 +153,7 @@ class DBConnection(object):
                     if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
                         logger.log(u"DB error: " + ex(e), logger.WARNING)
                         attempt += 1
-                        time.sleep(0.02)
+                        time.sleep(1)
                     else:
                         logger.log(u"DB error: " + ex(e), logger.ERROR)
                         raise
@@ -164,7 +164,7 @@ class DBConnection(object):
                     logger.log(u"Fatal error executing query: " + ex(e), logger.ERROR)
                     raise
 
-        return sqlResult
+            return sqlResult
 
     def action(self, query, args=None, fetchall=False, fetchone=False):
 
@@ -191,7 +191,7 @@ class DBConnection(object):
                     if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
                         logger.log(u"DB error: " + ex(e), logger.WARNING)
                         attempt += 1
-                        time.sleep(0.02)
+                        time.sleep(1)
                     else:
                         logger.log(u"DB error: " + ex(e), logger.ERROR)
                         raise
@@ -199,7 +199,7 @@ class DBConnection(object):
                     logger.log(u"Fatal error executing query: " + ex(e), logger.ERROR)
                     raise
 
-        return sqlResult
+            return sqlResult
 
     def select(self, query, args=None):
 
@@ -342,11 +342,7 @@ class SchemaUpgrade(object):
         self.connection.action("UPDATE %s SET %s = ?" % (table, column), (default,))
 
     def checkDBVersion(self):
-        result = self.connection.select("SELECT db_version FROM db_version")
-        if result:
-            return int(result[0]["db_version"])
-        else:
-            return 0
+        return self.connection.checkDBVersion()
 
     def incDBVersion(self):
         new_version = self.checkDBVersion() + 1
diff --git a/sickbeard/network_timezones.py b/sickbeard/network_timezones.py
index 64cf37ad..28520878 100644
--- a/sickbeard/network_timezones.py
+++ b/sickbeard/network_timezones.py
@@ -192,7 +192,7 @@ def update_network_dict():
     if ql:
         myDB.mass_action(ql)
         load_network_dict()
-        del ql
+
 
 # load network timezones from db into dict
 def load_network_dict():
diff --git a/sickbeard/postProcessor.py b/sickbeard/postProcessor.py
index 233c2fab..57f352c1 100644
--- a/sickbeard/postProcessor.py
+++ b/sickbeard/postProcessor.py
@@ -965,7 +965,7 @@ class PostProcessor(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         # find the destination folder
         try:
@@ -1043,7 +1043,7 @@ class PostProcessor(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         # log it to history
         history.logDownload(ep_obj, self.file_path, new_ep_quality, self.release_group)
diff --git a/sickbeard/providers/btn.py b/sickbeard/providers/btn.py
index 0b1518b5..71c69c48 100644
--- a/sickbeard/providers/btn.py
+++ b/sickbeard/providers/btn.py
@@ -346,7 +346,6 @@ class BTNCache(tvcache.TVCache):
                 if cl:
                     myDB = self._getDB()
                     myDB.mass_action(cl)
-                    del cl
 
             else:
                 raise AuthException(
diff --git a/sickbeard/providers/hdbits.py b/sickbeard/providers/hdbits.py
index ee1ae26d..5737114a 100644
--- a/sickbeard/providers/hdbits.py
+++ b/sickbeard/providers/hdbits.py
@@ -257,7 +257,7 @@ class HDBitsCache(tvcache.TVCache):
                 if ql:
                     myDB = self._getDB()
                     myDB.mass_action(ql)
-                    del ql
+
 
             else:
                 raise exceptions.AuthException(
diff --git a/sickbeard/providers/hdtorrents.py b/sickbeard/providers/hdtorrents.py
index b506d794..d0b3f5a4 100644
--- a/sickbeard/providers/hdtorrents.py
+++ b/sickbeard/providers/hdtorrents.py
@@ -379,7 +379,7 @@ class HDTorrentsCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/iptorrents.py b/sickbeard/providers/iptorrents.py
index 76a80173..7d78df12 100644
--- a/sickbeard/providers/iptorrents.py
+++ b/sickbeard/providers/iptorrents.py
@@ -320,7 +320,7 @@ class IPTorrentsCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/kat.py b/sickbeard/providers/kat.py
index dbffb658..d2f196ac 100644
--- a/sickbeard/providers/kat.py
+++ b/sickbeard/providers/kat.py
@@ -457,7 +457,7 @@ class KATCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/newznab.py b/sickbeard/providers/newznab.py
index 59f0ca5a..6ff1f239 100755
--- a/sickbeard/providers/newznab.py
+++ b/sickbeard/providers/newznab.py
@@ -344,7 +344,7 @@ class NewznabCache(tvcache.TVCache):
                 if ql:
                     myDB = self._getDB()
                     myDB.mass_action(ql)
-                    del ql
+
 
             else:
                 raise AuthException(
diff --git a/sickbeard/providers/nextgen.py b/sickbeard/providers/nextgen.py
index 91bc9dc3..8e1685c4 100644
--- a/sickbeard/providers/nextgen.py
+++ b/sickbeard/providers/nextgen.py
@@ -369,7 +369,7 @@ class NextGenCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/publichd.py b/sickbeard/providers/publichd.py
index 3fae3429..13a3ea2d 100644
--- a/sickbeard/providers/publichd.py
+++ b/sickbeard/providers/publichd.py
@@ -342,7 +342,7 @@ class PublicHDCache(tvcache.TVCache):
         if ql:
             myDB = self._getDB()
             myDB.mass_action(ql)
-            del ql
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/scc.py b/sickbeard/providers/scc.py
index 71eb2155..4ec68eef 100644
--- a/sickbeard/providers/scc.py
+++ b/sickbeard/providers/scc.py
@@ -364,7 +364,7 @@ class SCCCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/speedcd.py b/sickbeard/providers/speedcd.py
index e238a8ea..690e11ac 100644
--- a/sickbeard/providers/speedcd.py
+++ b/sickbeard/providers/speedcd.py
@@ -304,7 +304,7 @@ class SpeedCDCache(tvcache.TVCache):
         if ql:
             myDB = self._getDB()
             myDB.mass_action(ql)
-            del ql
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/thepiratebay.py b/sickbeard/providers/thepiratebay.py
index 336aedf8..54a49817 100644
--- a/sickbeard/providers/thepiratebay.py
+++ b/sickbeard/providers/thepiratebay.py
@@ -437,7 +437,7 @@ class ThePirateBayCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/torrentday.py b/sickbeard/providers/torrentday.py
index 6e4f07be..9fadfab1 100644
--- a/sickbeard/providers/torrentday.py
+++ b/sickbeard/providers/torrentday.py
@@ -328,7 +328,7 @@ class TorrentDayCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/torrentleech.py b/sickbeard/providers/torrentleech.py
index d5ae7ab3..833749be 100644
--- a/sickbeard/providers/torrentleech.py
+++ b/sickbeard/providers/torrentleech.py
@@ -323,7 +323,7 @@ class TorrentLeechCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
+
 
     def _parseItem(self, item):
 
diff --git a/sickbeard/providers/womble.py b/sickbeard/providers/womble.py
index 173b4add..c14dfc7a 100644
--- a/sickbeard/providers/womble.py
+++ b/sickbeard/providers/womble.py
@@ -70,7 +70,6 @@ class WombleCache(tvcache.TVCache):
         if cl:
             myDB = self._getDB()
             myDB.mass_action(cl)
-            del cl
 
         # set last updated
         if data:
diff --git a/sickbeard/scene_numbering.py b/sickbeard/scene_numbering.py
index 60774ce6..e42ddc7c 100644
--- a/sickbeard/scene_numbering.py
+++ b/sickbeard/scene_numbering.py
@@ -528,7 +528,7 @@ def xem_refresh(indexer_id, indexer, force=False):
         if ql:
             myDB = db.DBConnection()
             myDB.mass_action(ql)
-            del ql
+
 
 def fix_xem_numbering(indexer_id, indexer):
     """
@@ -692,4 +692,3 @@ def fix_xem_numbering(indexer_id, indexer):
     if ql:
         myDB = db.DBConnection()
         myDB.mass_action(ql)
-        del ql
\ No newline at end of file
diff --git a/sickbeard/search.py b/sickbeard/search.py
index 6bdc06b5..a8450cfd 100644
--- a/sickbeard/search.py
+++ b/sickbeard/search.py
@@ -175,7 +175,7 @@ def snatchEpisode(result, endStatus=SNATCHED):
     if sql_l:
         myDB = db.DBConnection()
         myDB.mass_action(sql_l)
-        del sql_l
+
 
     return True
 
diff --git a/sickbeard/tv.py b/sickbeard/tv.py
index 28a6c521..f06d75dd 100644
--- a/sickbeard/tv.py
+++ b/sickbeard/tv.py
@@ -456,7 +456,7 @@ class TVShow(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
     def loadEpisodesFromDB(self):
 
@@ -578,7 +578,7 @@ class TVShow(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         # Done updating save last update date
         self.last_update_indexer = datetime.date.today().toordinal()
@@ -749,7 +749,7 @@ class TVShow(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         # creating metafiles on the root should be good enough
         if sickbeard.USE_FAILED_DOWNLOADS and rootEp is not None:
@@ -1005,7 +1005,7 @@ class TVShow(object):
 
         myDB = db.DBConnection()
         myDB.mass_action(sql_l)
-        del sql_l
+
 
         # remove self from show list
         sickbeard.showList = [x for x in sickbeard.showList if int(x.indexerid) != self.indexerid]
@@ -1080,7 +1080,7 @@ class TVShow(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
     def airdateModifyStamp(self, ep_obj):
         """
@@ -2420,4 +2420,4 @@ class TVEpisode(object):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
diff --git a/sickbeard/tvcache.py b/sickbeard/tvcache.py
index 74477c2f..8dfeb7e8 100644
--- a/sickbeard/tvcache.py
+++ b/sickbeard/tvcache.py
@@ -37,6 +37,7 @@ from sickbeard.rssfeeds import RSSFeeds
 
 cache_lock = threading.Lock()
 
+
 class CacheDBConnection(db.DBConnection):
     def __init__(self, providerName):
         db.DBConnection.__init__(self, "cache.db")
@@ -67,6 +68,7 @@ class CacheDBConnection(db.DBConnection):
             if str(e) != "table lastUpdate already exists":
                 raise
 
+
 class TVCache():
     def __init__(self, provider):
 
@@ -75,11 +77,12 @@ class TVCache():
         self.minTime = 10
 
     def _getDB(self):
-
         return CacheDBConnection(self.providerID)
 
     def _clearCache(self):
         if self.shouldClearCache():
+            logger.log(u"Clearing " + self.provider.name + " cache")
+
             curDate = datetime.date.today() - datetime.timedelta(weeks=1)
 
             myDB = self._getDB()
@@ -103,14 +106,9 @@ class TVCache():
 
     def updateCache(self):
 
-        # delete anything older then 7 days
-        logger.log(u"Clearing " + self.provider.name + " cache")
-        self._clearCache()
+        if self.shouldUpdate() and self._checkAuth(None):
+            self._clearCache()
 
-        if not self.shouldUpdate():
-            return
-
-        if self._checkAuth(None):
             data = self._getRSSData()
 
             # as long as the http request worked we count this as an update
@@ -129,7 +127,6 @@ class TVCache():
                 if cl:
                     myDB = self._getDB()
                     myDB.mass_action(cl)
-                    del cl
             else:
                 raise AuthException(
                     u"Your authentication credentials for " + self.provider.name + " are incorrect, check your config")
@@ -219,10 +216,10 @@ class TVCache():
 
     def shouldUpdate(self):
         # if we've updated recently then skip the update
-        # if datetime.datetime.today() - self.lastUpdate < datetime.timedelta(minutes=self.minTime):
-        #    logger.log(u"Last update was too soon, using old cache: today()-" + str(self.lastUpdate) + "<" + str(
-        #        datetime.timedelta(minutes=self.minTime)), logger.DEBUG)
-        #    return False
+        if datetime.datetime.today() - self.lastUpdate < datetime.timedelta(minutes=self.minTime):
+            logger.log(u"Last update was too soon, using old cache: today()-" + str(self.lastUpdate) + "<" + str(
+                datetime.timedelta(minutes=self.minTime)), logger.DEBUG)
+            return False
 
         return True
 
@@ -230,7 +227,7 @@ class TVCache():
         # if daily search hasn't used our previous results yet then don't clear the cache
         if self.lastUpdate > self.lastSearch:
             logger.log(
-                u"Daily search has not yet searched our last cache results, skipping clearig cache ...", logger.DEBUG)
+                u"Daily search has not yet used our last cache results, not clearing cache ...", logger.DEBUG)
             return False
 
         return True
diff --git a/sickbeard/webapi.py b/sickbeard/webapi.py
index f294981f..ffa7701c 100644
--- a/sickbeard/webapi.py
+++ b/sickbeard/webapi.py
@@ -1007,7 +1007,7 @@ class CMD_EpisodeSetStatus(ApiCall):
         if sql_l:
             myDB = db.DBConnection()
             myDB.mass_action(sql_l)
-            del sql_l
+
 
         extra_msg = ""
         if start_backlog:
diff --git a/sickbeard/webserve.py b/sickbeard/webserve.py
index 755edd15..c55dbdc5 100644
--- a/sickbeard/webserve.py
+++ b/sickbeard/webserve.py
@@ -3998,7 +3998,7 @@ class Home(MainHandler):
             if sql_l:
                 myDB = db.DBConnection()
                 myDB.mass_action(sql_l)
-                del sql_l
+
 
         if int(status) == WANTED:
             msg = "Backlog was automatically started for the following seasons of <b>" + showObj.name + "</b>:<br />"
diff --git a/sickbeard/webserveInit.py b/sickbeard/webserveInit.py
index 7eb4906d..a6416e00 100644
--- a/sickbeard/webserveInit.py
+++ b/sickbeard/webserveInit.py
@@ -1,6 +1,5 @@
 import os
 import traceback
-import time
 import sickbeard
 import webserve
 import webapi