diff --git a/include/install/resources/utils.php b/include/install/resources/utils.php
index ff4e437a..3196871d 100644
--- a/include/install/resources/utils.php
+++ b/include/install/resources/utils.php
@@ -135,7 +135,7 @@ static function checkDbConnection($db_type, $db_hostname, $db_hostport, $db_user
 					$db_exist_status = true;
 					if(!$db_utf8_support) {
 						// Check if the database that we are going to use supports UTF-8
-						$db_utf8_support = check_db_utf8_support($conn);
+						$db_utf8_support = self::check_db_utf8_support($conn);
 					}
 				}
 				$conn->Close();
@@ -175,7 +175,7 @@ static function checkDbConnection($db_type, $db_hostname, $db_hostport, $db_user
     //crmv@208173
     //Added to check database charset and $default_charset are set to UTF8.
     //If both are not set to be UTF-8, Then we will show an alert message.
-    function check_db_utf8_support($conn) {
+   static function check_db_utf8_support($conn) {
         global $db_type;
         //crmv@charset
         if($db_type !== 'mysql')
@@ -1061,4 +1061,4 @@ function get_logo_install($mode){
 	return $logo_path;
 }
 //crmv@18123e
-?>
\ No newline at end of file
+?>
diff --git a/modules/ModComments/ModComments.php b/modules/ModComments/ModComments.php
index 9e902085..154b3e33 100644
--- a/modules/ModComments/ModComments.php
+++ b/modules/ModComments/ModComments.php
@@ -94,9 +94,11 @@ static function addWidgetTo($moduleNames, $widgetType='DETAILVIEWWIDGET', $widge
 		}
 		if ($commentWidgetCount) {
 			$modCommentsModule = Vtecrm_Module::getInstance('ModComments');
-			$modCommentsModule->addLink('HEADERSCRIPT', 'ModCommentsCommonHeaderScript', 'modules/ModComments/ModCommentsCommon.js');
-			$modCommentsRelatedToField = Vtecrm_Field::getInstance('related_to', $modCommentsModule);
-			$modCommentsRelatedToField->setRelatedModules($moduleNames);
+			if (is_object($modCommentsModule)) {
+				$modCommentsModule->addLink('HEADERSCRIPT', 'ModCommentsCommonHeaderScript', 'modules/ModComments/ModCommentsCommon.js');
+				$modCommentsRelatedToField = Vtecrm_Field::getInstance('related_to', $modCommentsModule);
+				$modCommentsRelatedToField->setRelatedModules($moduleNames);
+			}
 		}
 	}
 	
@@ -149,4 +151,4 @@ function addWidgetToAll() {
 		}
 	}
 }
-?>
\ No newline at end of file
+?>
diff --git a/modules/MyNotes/MyNotes.php b/modules/MyNotes/MyNotes.php
index 9cc720ed..be80b4e8 100644
--- a/modules/MyNotes/MyNotes.php
+++ b/modules/MyNotes/MyNotes.php
@@ -243,7 +243,7 @@ function addWidgetTo($moduleNames, $onlyWidget=false, $widgetType='DETAILVIEWWID
 					Array($currentModuleInstance->id, $module->id, 'get_related_list', $moduleName));
 				if ($check && $adb->num_rows($check) > 0) {
 					// do nothing
-				} else {					
+				} else if (is_object($currentModuleInstance) && method_exists($currentModuleInstance,'setRelatedList')){					
 					$currentModuleInstance->setRelatedList($module, $moduleName, Array('SELECT','ADD'), 'get_related_list');
 				}
 			}
@@ -374,4 +374,4 @@ function getAdvancedPermissionFunction($is_admin,$module,$actionname,$record_id)
 		}
 	}
 }
-?>
\ No newline at end of file
+?>