diff --git a/check-errors.php b/check-errors.php
index 8aad35a9a..fba17ab35 100755
--- a/check-errors.php
+++ b/check-errors.php
@@ -10,6 +10,21 @@ $interface_query = mysql_query("SELECT * FROM `interfaces` AS I, `devices` AS D
 while ($interface = mysql_fetch_array($interface_query)) {
   $errors = interface_errors($interface);
   mysql_query("UPDATE `interfaces` SET in_errors = '" . $errors['in'] . "', out_errors = '" . $errors['out'] . "' WHERE interface_id = '" . $interface['interface_id'] . "'");
+
+  if($errors['in'] > '100' || $errors['out'] > '100') { $errored[] = $interface['hostname'] . " - " . $interface['ifAlias'] . " - " . $errors['in'] . " - " . $errors['out']; }
+
+}
+
+if($errored) {
+  $i=0;
+  $msg = "Interfaces with errors : \n\n";
+  foreach ($errored as $int) {
+    $msg .= "$int\n";
+    $i++;
+  }
+
+  mail($config['email_default'], "Observer detected errors on $i interfaces", $msg, $config['email_headers']);
+
 }
 
 ?>
diff --git a/check-services.php b/check-services.php
index b2d0bf31e..e19a772d8 100755
--- a/check-services.php
+++ b/check-services.php
@@ -34,6 +34,6 @@ while ($service = mysql_fetch_array($query)) {
   } else { unset($updated); }
   $update_sql = "UPDATE `services` SET `service_status` = '$status', `service_message` = '" . addslashes($check) . "', `service_checked` = '" . time() . "' $updated WHERE `service_id` = '" . $service['service_id']. "'";
   mysql_query($update_sql);
-  echo("$update_sql " . mysql_affected_rows() . " rows updated\n");
+#  echo("$update_sql " . mysql_affected_rows() . " rows updated\n");
 }
 ?>
diff --git a/cron-hourly.sh b/cron-hourly.sh
index 97e5bf698..90a8aa6db 100755
--- a/cron-hourly.sh
+++ b/cron-hourly.sh
@@ -4,10 +4,10 @@
 ./discover-nets.php
 ./ips.php
 ./cleanup.php
-./discover-storage.php &
-./discover-temperatures.php &
-./generate-map.sh &
-./discover-cisco-temp.php &
-./discover-vlans.php &
-./update-interface.php &
-./check-errors.php &
+./discover-storage.php
+./discover-temperatures.php
+./generate-map.sh
+./discover-cisco-temp.php
+./discover-vlans.php
+./update-interface.php
+./check-errors.php
diff --git a/includes/functions.php b/includes/functions.php
index 47fbf5c75..ec66805c3 100755
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -168,7 +168,7 @@ function interface_rates ($interface) {
 
 
 function interface_errors ($interface) {
-  global $config;
+  global $config, $rrd_dir;
   $rrdfile = $rrd_dir . "/" . $interface['hostname'] . "/" . $interface['ifIndex'] . ".rrd";
   $cmd = $config['rrdtool']." fetch -s -1d -e -300s $rrdfile AVERAGE | grep : | cut -d\" \" -f 4,5";
   $data = trim(`$cmd`);
diff --git a/includes/polling/device-netstats.inc.php b/includes/polling/device-netstats.inc.php
index 59fc373c1..e17584589 100755
--- a/includes/polling/device-netstats.inc.php
+++ b/includes/polling/device-netstats.inc.php
@@ -12,7 +12,7 @@ if($device[os] != "Snom") {
                  'tcpEstabResets','tcpInSegs','tcpOutSegs','tcpRetransSegs','udpInDatagrams','udpOutDatagrams','udpInErrors',
                  'udpNoPorts');
 
-  $rrdfile = $rrd_file . "/" . $device['hostname'] . "/netinfo.rrd";
+  $rrdfile = $rrd_dir . "/" . $device['hostname'] . "/netinfo.rrd";
 
   $Orrdfile = "rrd/" . $device['hostname'] . "-netinfo.rrd";
   if(is_file($Orrdfile) && !is_file($rrdfile)) { rename($Orrdfile, $rrdfile); echo("Moving $Orrdfile to $rrdfile");  }
diff --git a/poll-device.php b/poll-device.php
index 990508e63..c23c13e85 100755
--- a/poll-device.php
+++ b/poll-device.php
@@ -31,7 +31,7 @@ while ($device = mysql_fetch_array($device_query)) {
   echo("Polling " . $device['hostname'] . " ( ".$device['device_id']." )\n\n");
 
   unset($update); unset($update_query); unset($seperator); unset($version); unset($uptime); unset($features); 
-  unset($location); unset($hardware); unset($sysDescr);
+  unset($location); unset($hardware); unset($sysDescr); unse$sysContact);
 
   $pingable = isPingable($device['hostname']);