diff --git a/dbus-vis/boost_handler_timeline_vis.js b/dbus-vis/boost_handler_timeline_vis.js
index 63378cb..2b887e5 100644
--- a/dbus-vis/boost_handler_timeline_vis.js
+++ b/dbus-vis/boost_handler_timeline_vis.js
@@ -185,7 +185,8 @@
   const v = boost_asio_handler_timeline_view;
   v.MouseState.x = event.pageX - this.offsetLeft;
   v.MouseState.y = event.pageY - this.offsetTop;
-  if (v.MouseState.pressed == true) {  // Update highlighted area
+  if (v.MouseState.pressed == true &&
+      v.MouseState.hoveredSide == 'timeline') {  // Update highlighted area
     v.HighlightedRegion.t1 = v.MouseXToTimestamp(v.MouseState.x);
   }
   v.OnMouseMove();
@@ -194,7 +195,8 @@
   v.linked_views.forEach(function(u) {
     u.MouseState.x = event.pageX - Canvas_Asio.offsetLeft;
     u.MouseState.y = 0;                  // Do not highlight any entry
-    if (u.MouseState.pressed == true) {  // Update highlighted area
+    if (u.MouseState.pressed == true &&
+        u.MouseState.hoveredSide == 'timeline') {  // Update highlighted area
       u.HighlightedRegion.t1 = u.MouseXToTimestamp(u.MouseState.x);
     }
     u.OnMouseMove();
diff --git a/dbus-vis/dbus_pcap_loader.js b/dbus-vis/dbus_pcap_loader.js
index 729c316..adbdec0 100644
--- a/dbus-vis/dbus_pcap_loader.js
+++ b/dbus-vis/dbus_pcap_loader.js
@@ -61,6 +61,10 @@
       }
     });
 
+    dbus_pcap1.stderr.on('data', (data) => {
+      console.err(data.toString());
+    });
+
     dbus_pcap1.on('close', (code) => {
       ShowBlocker('Running dbus-pcap (Pass 2/2, packet contents) ...');
       let stdout2 = '';
@@ -90,6 +94,10 @@
         }
       });
 
+      dbus_pcap2.stderr.on('data', (data) => {
+        console.err(data.toString());
+      });
+
       dbus_pcap2.on('close', (code) => {
         { ShowBlocker('Processing dbus-pcap output ... '); }
 
diff --git a/dbus-vis/ipmi_timeline_vis.js b/dbus-vis/ipmi_timeline_vis.js
index 64af5fc..0b3aa74 100644
--- a/dbus-vis/ipmi_timeline_vis.js
+++ b/dbus-vis/ipmi_timeline_vis.js
@@ -575,7 +575,12 @@
   x: 0,
   y: 0,
   hoveredVisibleLineIndex: -999,
-  hoveredSide: undefined
+  hoveredSide: undefined,
+  IsHoveredOverHorizontalScrollbar: function() {
+    if (this.hoveredSide == "top_horizontal_scrollbar") return true;
+    else if (this.hoveredSide == "bottom_horizontal_scrollbar") return true;
+    else return false;
+  }
 };
 let Canvas = document.getElementById('my_canvas_ipmi');
 
@@ -583,7 +588,8 @@
   const v = ipmi_timeline_view;
   v.MouseState.x = event.pageX - this.offsetLeft;
   v.MouseState.y = event.pageY - this.offsetTop;
-  if (v.MouseState.pressed == true) {  // Update highlighted area
+  if (v.MouseState.pressed == true &&
+      v.MouseState.hoveredSide == 'timeline') {  // Update highlighted area
     v.HighlightedRegion.t1 = v.MouseXToTimestamp(v.MouseState.x);
   }
   v.OnMouseMove();
@@ -592,7 +598,8 @@
   v.linked_views.forEach(function(u) {
     u.MouseState.x = event.pageX - Canvas.offsetLeft;
     u.MouseState.y = 0;                  // Do not highlight any entry
-    if (u.MouseState.pressed == true) {  // Update highlighted area
+    if (u.MouseState.pressed == true &&
+        u.MouseState.hoveredSide == 'timeline') {  // Update highlighted area
       u.HighlightedRegion.t1 = u.MouseXToTimestamp(u.MouseState.x);
     }
     u.OnMouseMove();
diff --git a/dbus-vis/main.js b/dbus-vis/main.js
index b165fe6..705ce4e 100644
--- a/dbus-vis/main.js
+++ b/dbus-vis/main.js
@@ -8,9 +8,9 @@
     width: 1440,
     height: 900,
     webPreferences: {
-      preload: path.join(__dirname, 'preload.js'),
       nodeIntegration:
-          true  // For opening file dialog from the renderer process
+          true,  // For opening file dialog from the renderer process
+      enableRemoteModule: true  // For require('electron').remote
     }
   });
 
diff --git a/dbus-vis/preload.js b/dbus-vis/preload.js
deleted file mode 100644
index fe6bb56..0000000
--- a/dbus-vis/preload.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// All of the Node.js APIs are available in the preload process.
-// It has the same sandbox as a Chrome extension.
-
-const dialog = require('electron').remote.dialog;  // Must add "remote"
-
-window.addEventListener('DOMContentLoaded', () => {
-  const replaceText = (selector, text) => {
-    const element = document.getElementById(selector);
-    if (element) element.innerText = text;
-  };
-
-  for (const type of ['chrome', 'node', 'electron']) {
-    replaceText(`${type}-version`, process.versions[type]);
-  }
-})
-
-console.log(document.getElementById('btn_open_file'));
diff --git a/dbus-vis/timeline_view.js b/dbus-vis/timeline_view.js
index a132cb8..394dab1 100644
--- a/dbus-vis/timeline_view.js
+++ b/dbus-vis/timeline_view.js
@@ -171,6 +171,11 @@
       EndDragScrollBar: function() {
         this.drag_begin_y = undefined;
         this.drag_begin_title_start_idx = undefined;
+      },
+      IsHoveredOverHorizontalScrollbar: function() {
+        if (this.hoveredSide == "top_horizontal_scrollbar") return true;
+        else if (this.hoveredSide == "bottom_horizontal_scrollbar") return true;
+        else return false;
       }
     };
     this.ScrollBarState = {