--- shutter	2018-02-12 15:36:03.000000000 +1100
+++ shutter.patched	2018-07-02 12:59:10.031055698 +1000
@@ -4316,7 +4316,7 @@
         #show error dialog when installing the file
         #monitor failed
         unless ( $result eq 'ok' ) {
-            $sd->dlg_error_message( Gnome2::VFS->result_to_string($result), $d->get("Error while adding the file monitor.") );
+            #$sd->dlg_error_message( Gnome2::VFS->result_to_string($result), $d->get("Error while adding the file monitor.") );
             return FALSE;
         }
 
@@ -5446,7 +5446,8 @@
         my $key = shift;
 
         #cancel handle
-        if ( exists $session_screens{$key}->{'handle'} ) {
+        #if ( exists $session_screens{$key}->{'handle'} ) {
+        if ( defined $session_screens{$key}->{'handle'} ) {
             $session_screens{$key}->{'handle'}->cancel;
         }
 
@@ -5647,7 +5648,8 @@
                 return FALSE;
             }
 
-            if ( exists $session_screens{$key}->{'handle'} ) {
+            #if ( exists $session_screens{$key}->{'handle'} ) {
+            if ( defined $session_screens{$key}->{'handle'} ) {
 
                 #cancel handle
                 $session_screens{$key}->{'handle'}->cancel;