diff --git a/public/include/config/global.inc.dist.php b/public/include/config/global.inc.dist.php
index 317a3b32..acaa51bb 100644
--- a/public/include/config/global.inc.dist.php
+++ b/public/include/config/global.inc.dist.php
@@ -61,7 +61,8 @@ $config['wallet']['password'] = 'testnet';
  * Explanation:
  *   mmcfe-ng will try to fetch the current exchange rates
  *   from this API URL/target. Currently btc-e and coinchoose
- *   are supported in mmcfe-ng.
+ *   are supported in mmcfe-ng. If you want to remove the trade
+ *   header just set currency to an empty string.
  *
  * Default (btc-e.com):
  *   url       =  `https://btc-e.com`
diff --git a/public/include/pages/admin/settings.inc.php b/public/include/pages/admin/settings.inc.php
index 34946173..dab1f096 100644
--- a/public/include/pages/admin/settings.inc.php
+++ b/public/include/pages/admin/settings.inc.php
@@ -9,7 +9,7 @@ if (!$user->isAuthenticated() || !$user->isAdmin($_SESSION['USERDATA']['id'])) {
   die("404 Page not found");
 }
 
-if ($_REQUEST['do'] == 'save' && !empty($_REQUEST['data'])) {
+if (@$_REQUEST['do'] == 'save' && !empty($_REQUEST['data'])) {
   foreach($_REQUEST['data'] as $var => $value) {
     $setting->setValue($var, $value);
   }
diff --git a/public/include/pages/logout.inc.php b/public/include/pages/logout.inc.php
index b10415f4..8622fd8e 100644
--- a/public/include/pages/logout.inc.php
+++ b/public/include/pages/logout.inc.php
@@ -6,5 +6,6 @@ if (!defined('SECURITY'))
 
 // This probably (?) never fails
 $user->logoutUser();
+$smarty->assign("CONTENT", "default.tpl");
 header('Location: index.php?page=home');
 ?>
diff --git a/public/include/pages/statistics/blocks.inc.php b/public/include/pages/statistics/blocks.inc.php
index 011f4b5c..c65ea861 100644
--- a/public/include/pages/statistics/blocks.inc.php
+++ b/public/include/pages/statistics/blocks.inc.php
@@ -5,9 +5,8 @@ if (!defined('SECURITY')) die('Hacking attempt');
 if (!$user->isAuthenticated()) header("Location: index.php?page=home");
 
 // Grab the last blocks found
-$iLimit = 20;
+empty($_REQUEST['limit']) ? $iLimit = 20 : $iLimit = $_REQUEST['limit'];
 $aBlocksFoundData = $statistics->getBlocksFound($iLimit);
-$aBlockData = $aBlocksFoundData[0];
 
 // Propagate content our template
 $smarty->assign("BLOCKSFOUND", $aBlocksFoundData);
diff --git a/public/include/pages/statistics/pool.inc.php b/public/include/pages/statistics/pool.inc.php
index 12605353..17129628 100644
--- a/public/include/pages/statistics/pool.inc.php
+++ b/public/include/pages/statistics/pool.inc.php
@@ -25,7 +25,7 @@ $aContributorsHashes = $statistics->getTopContributors('hashes', 15);
 // Grab the last 10 blocks found
 $iLimit = 5;
 $aBlocksFoundData = $statistics->getBlocksFound($iLimit);
-$aBlockData = $aBlocksFoundData[0];
+count($aBlocksFoundData) > 0 ? $aBlockData = $aBlocksFoundData[0] : $aBlockData = array();
 
 // Estimated time to find the next block
 $iCurrentPoolHashrate =  $statistics->getCurrentHashrate();
@@ -50,7 +50,7 @@ $smarty->assign("BLOCKLIMIT", $iLimit);
 $smarty->assign("CONTRIBSHARES", $aContributorsShares);
 $smarty->assign("CONTRIBHASHES", $aContributorsHashes);
 $smarty->assign("CURRENTBLOCK", $iBlock);
-$smarty->assign("LASTBLOCK", $aBlockData['height']);
+count($aBlockData) > 0 ? $smarty->assign("LASTBLOCK", $aBlockData['height']) : $smarty->assign("LASTBLOCK", 0);
 $smarty->assign("DIFFICULTY", $dDifficulty);
 $smarty->assign("REWARD", $config['reward']);
 
diff --git a/public/templates/mmcFE/admin/transactions/default.tpl b/public/templates/mmcFE/admin/transactions/default.tpl
index 492b1a97..d611f6d6 100644
--- a/public/templates/mmcFE/admin/transactions/default.tpl
+++ b/public/templates/mmcFE/admin/transactions/default.tpl
@@ -1,7 +1,7 @@
 {include file="global/block_header.tpl" BLOCK_HEADER="Transaction Log" BUTTONS=array(Confirmed,Unconfirmed,Orphan)}
   <center>
-    <a href="{$smart.server.PHP_SELF}?page=admin&action=transactions&start={$smarty.request.start|default:"0" - 30}"><img src="{$PATH}/images/prev.png" /></a>
-    <a href="{$smart.server.PHP_SELF}?page=admin&action=transactions&start={$smarty.request.start|default:"0" + 30}"><img src="{$PATH}/images/next.png" /></a>
+    <a href="{$smarty.server.PHP_SELF}?page=admin&action=transactions&start={$smarty.request.start|default:"0" - 30}"><img src="{$PATH}/images/prev.png" /></a>
+    <a href="{$smarty.server.PHP_SELF}?page=admin&action=transactions&start={$smarty.request.start|default:"0" + 30}"><img src="{$PATH}/images/next.png" /></a>
   </center>
 <div class="block_content tab_content" id="Confirmed" style="clear:;">
   <center>
@@ -18,6 +18,7 @@
         </tr>
       </thead>
       <tbody style="font-size:12px;">
+      {assign var=confirmed value=0}
 {section transaction $TRANSACTIONS}
         {if (
           (($TRANSACTIONS[transaction].type == 'Credit' or $TRANSACTIONS[transaction].type == 'Bonus')and $TRANSACTIONS[transaction].confirmations >= $GLOBAL.confirmations)
@@ -71,6 +72,7 @@
         </tr>
       </thead>
       <tbody style="font-size:12px;">
+      {assign var=unconfirmed value=0}
 {section transaction $TRANSACTIONS}
         {if (
           ($TRANSACTIONS[transaction].type == 'Credit' or $TRANSACTIONS[transaction].type == 'Bonus') and $TRANSACTIONS[transaction].confirmations < $GLOBAL.confirmations
@@ -114,6 +116,7 @@
         </tr>
       </thead>
       <tbody style="font-size:12px;">
+      {assign var=orphaned value=0}
 {section transaction $TRANSACTIONS}
         {if (
           $TRANSACTIONS[transaction].type == 'Orphan_Credit'
diff --git a/public/templates/mmcFE/global/sidebar_pps.tpl b/public/templates/mmcFE/global/sidebar_pps.tpl
index dcd436d5..b90f9aed 100644
--- a/public/templates/mmcFE/global/sidebar_pps.tpl
+++ b/public/templates/mmcFE/global/sidebar_pps.tpl
@@ -30,11 +30,11 @@
                     </tr>
                     <tr>
                       <td><b>Pool Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font></i></td>
+                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td><b>Your Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i><font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font></td>
+                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr><td colspan="2">&nbsp;</td></tr>
                     <tr><td colspan="2"><b><u>{$GLOBAL.config.currency} Estimates</u></b></td></tr>
diff --git a/public/templates/mmcFE/global/sidebar_prop.tpl b/public/templates/mmcFE/global/sidebar_prop.tpl
index 0c50e577..b3075c57 100644
--- a/public/templates/mmcFE/global/sidebar_prop.tpl
+++ b/public/templates/mmcFE/global/sidebar_prop.tpl
@@ -33,11 +33,11 @@
                     </tr>
                     <tr>
                       <td><b>Pool Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i><font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font></td>
+                      <td class="right"><i>{$GLOBAL.roundshares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td><b>Your Invalid</b></td>
-                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i><font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font></td>
+                      <td class="right"><i>{$GLOBAL.userdata.shares.invalid|number_format}</i>{if $GLOBAL.roundshares.valid > 0}<font size='1px'> ({(100 / $GLOBAL.roundshares.valid * $GLOBAL.userdata.shares.invalid)|number_format:"2"}%)</font>{/if}</td>
                     </tr>
                     <tr>
                       <td colspan="2"><b><u>{$GLOBAL.config.currency} Round Estimate</u></b></td>
diff --git a/public/templates/mmcFE/logout/default.tpl b/public/templates/mmcFE/logout/default.tpl
new file mode 100644
index 00000000..e69de29b
diff --git a/public/templates/mmcFE/statistics/pool/authenticated.tpl b/public/templates/mmcFE/statistics/pool/authenticated.tpl
index edc0e0ba..f740c91e 100644
--- a/public/templates/mmcFE/statistics/pool/authenticated.tpl
+++ b/public/templates/mmcFE/statistics/pool/authenticated.tpl
@@ -13,7 +13,7 @@
     </tr>
     <tr>
       <td class="leftheader">Pool Efficiency</td>
-      <td>{(100 - (100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid))|number_format:"2"} %</td>
+      <td>{if $GLOBAL.roundshares.valid > 0}{(100 - (100 / $GLOBAL.roundshares.valid * $GLOBAL.roundshares.invalid))|number_format:"2"}{else}0{/if} %</td>
     </tr>
     <tr>
       <td class="leftheader">Current Active Workers</td>
diff --git a/public/templates/mmcFE/statistics/pool/contributors_hashrate.tpl b/public/templates/mmcFE/statistics/pool/contributors_hashrate.tpl
index 3e8791e3..2de97f37 100644
--- a/public/templates/mmcFE/statistics/pool/contributors_hashrate.tpl
+++ b/public/templates/mmcFE/statistics/pool/contributors_hashrate.tpl
@@ -7,30 +7,30 @@
         <th align="left" scope="col">User Name</th>
         <th class="right" scope="col">KH/s</th>
         <th class="right">{$GLOBAL.config.currency}/Day</th>
-        <th class="right">{$GLOBAL.config.price.currency}/Day</th>
+        {if $GLOBAL.config.price.currency}<th class="right">{$GLOBAL.config.price.currency}/Day</th>{/if}
       </tr>
     </thead>
     <tbody>
 {assign var=rank value=1}
 {assign var=listed value=0}
 {section contrib $CONTRIBHASHES}
-      {math assign="estday" equation="round(reward / ( diff * pow(2,32) / ( hashrate * 1000 ) / 3600 / 24), 3)" diff=$DIFFICULTY reward=$REWARD hashrate=$CONTRIBHASHES[contrib].hashrate}
+      {if $GLOBAL.userdata.hashrate > 0}{math assign="estday" equation="round(reward / ( diff * pow(2,32) / ( hashrate * 1000 ) / 3600 / 24), 3)" diff=$DIFFICULTY reward=$REWARD hashrate=$CONTRIBHASHES[contrib].hashrate}{/if}
       <tr{if $GLOBAL.userdata.username == $CONTRIBHASHES[contrib].account}{assign var=listed value=1} style="background-color:#99EB99;"{else} class="{cycle values="odd,even"}"{/if}>
         <td>{$rank++}</td>
         <td>{$CONTRIBHASHES[contrib].account}</td>
         <td class="right">{$CONTRIBHASHES[contrib].hashrate|number_format}</td>
         <td class="right">{$estday|number_format:"3"}</td>
-        <td class="right">{($estday * $GLOBAL.price)|default:"n/a"|number_format:"2"}</td>
+        {if $GLOBAL.config.price.currency}<td class="right">{($estday * $GLOBAL.price)|default:"n/a"|number_format:"2"}</td>{/if}
       </tr>
 {/section}
 {if $listed != 1}
-      {math assign="estday" equation="round(reward / ( diff * pow(2,32) / ( hashrate * 1000 ) / 3600 / 24), 3)" diff=$DIFFICULTY reward=$REWARD hashrate=$GLOBAL.userdata.hashrate}
+      {if $GLOBAL.userdata.hashrate > 0}{math assign="estday" equation="round(reward / ( diff * pow(2,32) / ( hashrate * 1000 ) / 3600 / 24), 3)" diff=$DIFFICULTY reward=$REWARD hashrate=$GLOBAL.userdata.hashrate}{/if}
       <tr style="background-color:#99EB99;">
         <td>n/a</td>
         <td>{$GLOBAL.userdata.username}</td>
         <td class="right">{$GLOBAL.userdata.hashrate}</td>
         <td class="right">{$estday|number_format:"3"|default:"n/a"}</td>
-        <td class="right">{($estday * $GLOBAL.price)|default:"n/a"|number_format:"2"}</td>
+        {if $GLOBAL.config.price.currency}<td class="right">{($estday * $GLOBAL.price)|default:"n/a"|number_format:"2"}</td>{/if}
       </tr>
 {/if}
     </tbody>