diff --git a/applications_model.php b/applications_model.php
index e7ba1d5..d596643 100755
--- a/applications_model.php
+++ b/applications_model.php
@@ -11,7 +11,7 @@ function __construct($serial='')
         $this->rs['serial_number'] = $serial;
         $this->rs['name'] = '';
         $this->rs['path'] = '';
-        $this->rs['last_modified'] = 0;
+        $this->rs['last_modified'] = null;
         $this->rs['obtained_from'] = '';
         $this->rs['runtime_environment'] = '';
         $this->rs['version'] = '';
@@ -47,7 +47,7 @@ function process($plist)
 
         $typeList = array(
             'name' => '',
-            'last_modified' => '',
+            'last_modified' => null,
             'obtained_from' => 'unknown',
             'path' => '',
             'runtime_environment' => '',
diff --git a/migrations/2022_06_14_000000_applications_null_last_modified.php b/migrations/2022_06_14_000000_applications_null_last_modified.php
new file mode 100644
index 0000000..a8bbeb4
--- /dev/null
+++ b/migrations/2022_06_14_000000_applications_null_last_modified.php
@@ -0,0 +1,25 @@
+<?php
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Capsule\Manager as Capsule;
+
+class ApplicationsNullLastModified extends Migration
+{
+    private $tableName = 'applications';
+
+    public function up()
+    {
+        $capsule = new Capsule();
+        $capsule::schema()->table($this->tableName, function (Blueprint $table) {
+            $table->bigInteger('last_modified')->nullable()->change();
+        });
+    }
+    
+    public function down()
+    {
+        $capsule = new Capsule();
+        $capsule::schema()->table($this->tableName, function (Blueprint $table) {
+            $table->bigInteger('last_modified')->change();
+        });
+    }
+}
diff --git a/views/applications_listing.php b/views/applications_listing.php
index 7d26f9a..b44ecaf 100755
--- a/views/applications_listing.php
+++ b/views/applications_listing.php
@@ -2,51 +2,51 @@
 
 <div class="container">
   <div class="row">
-	<div class="col-lg-12">
-
-	  <h3><span data-i18n="applications.reporttitle"></span> <span id="total-count" class='label label-primary'>…</span></h3>
-
-	  <table class="table table-striped table-condensed table-bordered">
-
-		<thead>
-		  <tr>
-			<th data-i18n="listing.computername" data-colname='machine.computer_name'></th>
-			<th data-i18n="serial" data-colname='reportdata.serial_number'></th>
-			<th data-i18n="name" data-colname='applications.name'></th>
-			<th data-i18n="version" data-colname='applications.version'></th>
-			<th data-i18n="applications.bundle_version" data-colname='applications.bundle_version'></th>
-			<th data-i18n="applications.signed_by" data-colname='applications.signed_by'></th>
-			<th data-i18n="applications.obtained_from" data-colname='applications.obtained_from'></th>
-			<th data-i18n="applications.last_modified" data-colname='applications.last_modified'></th>
-			<th data-i18n="applications.has64bit" data-colname='applications.has64bit'></th>
-			<th data-i18n="applications.runtime_environment" data-colname='applications.runtime_environment'></th>
-			<th data-i18n="path" data-colname='applications.path'></th>
-			<th data-i18n="info" data-colname='applications.info'></th>
-		  </tr>
-		</thead>
-
-		<tbody>
-		  <tr>
-			<td data-i18n="listing.loading" colspan="12" class="dataTables_empty"></td>
-		  </tr>
-		</tbody>
-
-	  </table>
-	</div> <!-- /span 12 -->
+    <div class="col-lg-12">
+
+      <h3><span data-i18n="applications.reporttitle"></span> <span id="total-count" class='label label-primary'>…</span></h3>
+
+      <table class="table table-striped table-condensed table-bordered">
+
+        <thead>
+          <tr>
+            <th data-i18n="listing.computername" data-colname='machine.computer_name'></th>
+            <th data-i18n="serial" data-colname='reportdata.serial_number'></th>
+            <th data-i18n="name" data-colname='applications.name'></th>
+            <th data-i18n="version" data-colname='applications.version'></th>
+            <th data-i18n="applications.bundle_version" data-colname='applications.bundle_version'></th>
+            <th data-i18n="applications.signed_by" data-colname='applications.signed_by'></th>
+            <th data-i18n="applications.obtained_from" data-colname='applications.obtained_from'></th>
+            <th data-i18n="applications.last_modified" data-colname='applications.last_modified'></th>
+            <th data-i18n="applications.has64bit" data-colname='applications.has64bit'></th>
+            <th data-i18n="applications.runtime_environment" data-colname='applications.runtime_environment'></th>
+            <th data-i18n="path" data-colname='applications.path'></th>
+            <th data-i18n="info" data-colname='applications.info'></th>
+          </tr>
+        </thead>
+
+        <tbody>
+          <tr>
+            <td data-i18n="listing.loading" colspan="12" class="dataTables_empty"></td>
+          </tr>
+        </tbody>
+
+      </table>
+    </div> <!-- /span 12 -->
   </div> <!-- /row -->
 </div>  <!-- /container -->
 
 <script type="text/javascript">
 
-	$(document).on('appUpdate', function(e){
+    $(document).on('appUpdate', function(e){
 
-		var oTable = $('.table').DataTable();
-		oTable.ajax.reload();
-		return;
+        var oTable = $('.table').DataTable();
+        oTable.ajax.reload();
+        return;
 
-	});
+    });
 
-	$(document).on('appReady', function(e, lang) {
+    $(document).on('appReady', function(e, lang) {
 
         // Get modifiers from data attribute
         var mySort = [], // Initial sort
@@ -70,7 +70,7 @@
             col++
         });
 
-	    oTable = $('.table').dataTable( {
+        oTable = $('.table').dataTable( {
             ajax: {
                 url: appUrl + '/datatables/data',
                 type: "POST",
@@ -86,7 +86,7 @@
                         });
 
                     }
-        		    // IDK what this does
+                    // IDK what this does
                     if(d.search.value.match(/^\d+\.\d+(\.(\d+)?)?$/)){
                         var search = d.search.value.split('.').map(function(x){return ('0'+x).slice(-2)}).join('');
                         d.search.value = search;
@@ -97,26 +97,28 @@
             buttons: mr.dt.buttons,
             order: mySort,
             columnDefs: columnDefs,
-		    createdRow: function( nRow, aData, iDataIndex ) {
-	        	// Update name in first column to link
-	        	var name=$('td:eq(0)', nRow).html();
-	        	if(name == ''){name = "No Name"};
-	        	var sn=$('td:eq(1)', nRow).html();
-	        	var link = mr.getClientDetailLink(name, sn, '#tab_applications-tab');
-	        	$('td:eq(0)', nRow).html(link);
+            createdRow: function( nRow, aData, iDataIndex ) {
+                // Update name in first column to link
+                var name=$('td:eq(0)', nRow).html();
+                if(name == ''){name = "No Name"};
+                var sn=$('td:eq(1)', nRow).html();
+                var link = mr.getClientDetailLink(name, sn, '#tab_applications-tab');
+                $('td:eq(0)', nRow).html(link);
                 
                 // Localize Obtained From
-	        	var obtained_from=$('td:eq(6)', nRow).html();
-	        	obtained_from = obtained_from == 'unknown' ? i18n.t('unknown') :
-	        	obtained_from = obtained_from == 'mac_app_store' ? i18n.t('applications.mac_app_store') :
-	        	obtained_from = obtained_from == 'apple' ? "Apple":
-	        	(obtained_from === 'identified_developer' ? i18n.t('applications.identified_developer') : obtained_from)
-	        	$('td:eq(6)', nRow).html(obtained_from)
+                var obtained_from=$('td:eq(6)', nRow).html();
+                obtained_from = obtained_from == 'unknown' ? i18n.t('unknown') :
+                obtained_from = obtained_from == 'mac_app_store' ? i18n.t('applications.mac_app_store') :
+                obtained_from = obtained_from == 'apple' ? "Apple":
+                (obtained_from === 'identified_developer' ? i18n.t('applications.identified_developer') : obtained_from)
+                $('td:eq(6)', nRow).html(obtained_from)
                 
                 // Format date
-	        	var event = parseInt($('td:eq(7)', nRow).html());
-	        	var date = new Date(event * 1000);
-	        	$('td:eq(7)', nRow).html('<span title="' + moment(date).fromNow() + '">'+ moment(date).format('llll')+'</span>');
+                var event = parseInt($('td:eq(7)', nRow).html());
+                if (event > 0){
+                    var date = new Date(event * 1000);
+                    $('td:eq(7)', nRow).html('<span title="' + moment(date).fromNow() + '">'+ moment(date).format('llll')+'</span>');
+                }
 
                 // runtime_environment
                 var colbit=$('td:eq(8)', nRow).html();
@@ -137,10 +139,10 @@
                 colvar = colvar == '1' ? i18n.t('yes') :
                 (colvar == '0' ? i18n.t('no') : '')
                 $('td:eq(8)', nRow).html(colvar)
-		    }
-	    });
+            }
+        });
 
-	});
+    });
 </script>
 
 <?php $this->view('partials/foot'); ?>
diff --git a/views/applications_tab.php b/views/applications_tab.php
index bae8fa5..530bafd 100755
--- a/views/applications_tab.php
+++ b/views/applications_tab.php
@@ -10,7 +10,7 @@
         <th data-i18n="name" data-colname='applications.name'></th>
         <th data-i18n="version" data-colname='applications.version'></th>
         <th data-i18n="applications.bundle_version" data-colname='applications.bundle_version'></th>
-        <th data-i18n="applications.signed_by" data-colname='applications.signed_by'></th>		      	
+        <th data-i18n="applications.signed_by" data-colname='applications.signed_by'></th>              
         <th data-i18n="applications.obtained_from" data-colname='applications.obtained_from'></th>
         <th data-i18n="applications.last_modified" data-colname='applications.last_modified'></th>
         <th data-i18n="applications.has64bit" data-colname='applications.has64bit'></th>
@@ -76,8 +76,10 @@
 
                         // Format date
                         var event = parseInt($('td:eq(5)', nRow).html());
-                        var date = new Date(event * 1000);
-                        $('td:eq(5)', nRow).html('<span title="' + moment(date).fromNow() + '">'+moment(date).format('llll')+'</span>');
+                        if (event > 0){
+                            var date = new Date(event * 1000);
+                            $('td:eq(5)', nRow).html('<span title="' + moment(date).fromNow() + '">'+moment(date).format('llll')+'</span>');
+                        }
 
                         // runtime_environment
                         var colbit=$('td:eq(6)', nRow).html();