diff --git a/Source/Components/ImageGlass.Settings/WebUI.cs b/Source/Components/ImageGlass.Settings/WebUI.cs
index a66f2ede3..a4c24d004 100644
--- a/Source/Components/ImageGlass.Settings/WebUI.cs
+++ b/Source/Components/ImageGlass.Settings/WebUI.cs
@@ -100,6 +100,8 @@ public static async Task UpdateSvgIconsAsync(bool forced = false)
             { IconName.ArrowExchange, string.Empty },
             { IconName.Sun, string.Empty },
             { IconName.Moon, string.Empty },
+            { IconName.Info, string.Empty },
+            { IconName.Warning, string.Empty },
         };
 
 
diff --git a/Source/Components/ImageGlass.Settings/WebUI/FrmSettings.html b/Source/Components/ImageGlass.Settings/WebUI/FrmSettings.html
index cff800975..5a287c80d 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/FrmSettings.html
+++ b/Source/Components/ImageGlass.Settings/WebUI/FrmSettings.html
@@ -128,7 +128,7 @@
     </nav>
 
     <div class="sidebar-bottom">
-      <a id="LnkHelp" href="#" lang-title="_._GetHelp" lang-text="_._GetHelp">[Get help]</a>
+      <a id="LnkHelp" class="cursor-help" href="#" lang-title="_._GetHelp" lang-text="_._GetHelp">[Get help]</a>
       <span>︱</span>
       <a id="LnkResetSettings" href="#" lang-title="FrmSettings._ResetSettings" lang-text="FrmSettings._ResetSettings">[Reset settings]</a>
     </div>
@@ -158,9 +158,9 @@
         </div>
       </section>
 
-      <!-- General > Start up -->
+      <!-- General > Startup -->
       <section>
-        <header lang-text="FrmSettings._Startup">[Start up]</header>
+        <header lang-text="FrmSettings._Startup">[Startup]</header>
         <div class="mb-2">
           <label class="ig-checkbox">
             <input type="checkbox" name="ShowWelcomeImage" />
@@ -173,6 +173,27 @@
             <div lang-text="FrmSettings._ShouldOpenLastSeenImage">[ShouldOpenLastSeenImage]</div>
           </label>
         </div>
+
+        <!-- General > Startup > Startup Boost -->
+        <div class="mt-4 mb-2">
+          <div class="mb-2 d-inline-flex align-items-center">
+            <b lang-text="FrmSettings._StartupBoost">[Startup Boost]</b>
+            <i class="icon-hover cursor-help ms-2" icon="Warning" lang-title="FrmSettings._UnmanagedSettingReminder"></i>
+          </div>
+          <div class="mb-2">
+            <span lang-text="FrmSettings._StartupBoost._Description">
+              [Preload ImageGlass in the background during Windows startup to accelerate the first launch. The app will automatically exit after 3 seconds.]
+            </span>
+          </div>
+          <div class="mb-2">
+            <button id="Btn_EnableStartupBoost" class="me-2" type="button" lang-text="FrmSettings._EnableStartupBoost">
+              [Enable Startup Boost]
+            </button>
+            <button id="Btn_DisableStartupBoost" class="me-2" type="button" lang-text="FrmSettings._DisableStartupBoost">
+              [Disable Startup Boost]
+            </button>
+          </div>
+        </div>
       </section>
 
       <!-- General > Real-time file update -->
@@ -902,10 +923,13 @@
 
       <!-- File type assosications > Default photo viewer -->
       <section>
-        <header lang-text="FrmSettings._DefaultPhotoViewer">[Default photo viewer]</header>
+        <header class="d-flex align-items-center">
+          <span lang-text="FrmSettings._DefaultPhotoViewer">[Default photo viewer]</span>
+          <i class="icon-hover cursor-help ms-2" icon="Warning" lang-title="FrmSettings._UnmanagedSettingReminder"></i>
+        </header>
         <div class="mb-2">
           <div class="mb-3" style="max-width: 60rem;" lang-text="FrmSettings._DefaultPhotoViewer._Description">
-            [You can set ImageGlass as your default photo viewer using the buttons below. Remember to manually reset it if you uninstall ImageGlass, as the installer does not handle this task automatically.]
+            [You can set ImageGlass as your default photo viewer using the buttons below. If necessary, open the Default apps settings to manually choose ImageGlass as the default.]
           </div>
           <div class="d-flex align-items-center">
             <button id="Btn_MakeDefaultViewer" class="me-2" type="button" lang-text="FrmSettings._MakeDefault">
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/@types/FrmSettings.ts b/Source/Components/ImageGlass.Settings/WebUI/src/@types/FrmSettings.ts
index 36b86dd0f..3daffc54e 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/@types/FrmSettings.ts
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/@types/FrmSettings.ts
@@ -94,6 +94,8 @@ export type IPageSettings = Record<string, any> & {
     ArrowExchange: string,
     Sun: string,
     Moon: string,
+    Info: string,
+    Warning: string,
   },
   FILE_MACRO: string;
 };
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings.ts b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings.ts
index 61412b0ae..23984b51f 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings.ts
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings.ts
@@ -40,6 +40,8 @@ if (!window._pageSettings) {
       ArrowExchange: '',
       Moon: '',
       Sun: '',
+      Info: '',
+      Warning: '',
     },
     startUpDir: '',
     configDir: '',
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/Settings.ts b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/Settings.ts
index b527110cc..37846f34c 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/Settings.ts
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/Settings.ts
@@ -72,6 +72,17 @@ export default class Settings {
     }
 
 
+    // load icon element: <i icon="">
+    queryAll('i[icon]').forEach(el => {
+      const iconName = el.getAttribute('icon');
+      const iconSvg = _pageSettings.icons[iconName];
+
+      if (iconSvg) {
+        el.innerHTML = iconSvg;
+      }
+    });
+
+
     // load specific settings
     TabGeneral.loadSettings();
     TabImage.loadSettings();
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/webComponents/ToolbarEditorHtmlElement.ts b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/webComponents/ToolbarEditorHtmlElement.ts
index 97761e609..9e5b39656 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/webComponents/ToolbarEditorHtmlElement.ts
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/FrmSettings/webComponents/ToolbarEditorHtmlElement.ts
@@ -84,7 +84,9 @@ export class ToolbarEditorHtmlElement extends HTMLElement {
         <ul class="ig-list-vertical is--no-separator toolbar-list" data-source="available">
         </ul>
       </div>
-      <div class="section-middle">[Icon]</div>
+      <div class="section-middle">
+        <i icon="ArrowExchange" style="font-size: 1.75rem;"></i>
+      </div>
       <div class="section-current">
         <div class="mb-1" lang-text="FrmSettings.Toolbar._CurrentButtons">[Current buttons:]</div>
         <ul class="ig-list-vertical is--no-separator toolbar-list" data-source="current">
@@ -103,9 +105,6 @@ export class ToolbarEditorHtmlElement extends HTMLElement {
     this.#editButtonFn = onEditButton.bind(this);
     this.#hasChanges = false;
     this.loadItems();
-
-    // load icon
-    query('.section-middle', this).innerHTML = _pageSettings.icons.ArrowExchange;
   }
 
   private loadItems(items?: IToolbarButton[]) {
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/styles/basis/reset.scss b/Source/Components/ImageGlass.Settings/WebUI/src/styles/basis/reset.scss
index 380d66b01..9e51086b2 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/styles/basis/reset.scss
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/styles/basis/reset.scss
@@ -360,4 +360,9 @@ progress {
 
 .__web-inspector-hide-shortcut__ {
   display: none !important;
-}
\ No newline at end of file
+}
+
+
+.cursor-help {
+  cursor: help !important;
+}
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/styles/components/toolbar-editor.scss b/Source/Components/ImageGlass.Settings/WebUI/src/styles/components/toolbar-editor.scss
index 2467c4b96..5ea7c678d 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/styles/components/toolbar-editor.scss
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/styles/components/toolbar-editor.scss
@@ -6,13 +6,6 @@ toolbar-editor {
     display: flex;
     align-items: center;
     padding: 0 1rem;
-
-    svg {
-      width: 2rem;
-      height: 2rem;
-      stroke: rgb(var(--AppText));
-      fill: rgb(var(--AppText));
-    }
   }
   .section-available {
     display: grid;
diff --git a/Source/Components/ImageGlass.Settings/WebUI/src/styles/pages/settings.scss b/Source/Components/ImageGlass.Settings/WebUI/src/styles/pages/settings.scss
index 3ca1a52c3..2c27be755 100644
--- a/Source/Components/ImageGlass.Settings/WebUI/src/styles/pages/settings.scss
+++ b/Source/Components/ImageGlass.Settings/WebUI/src/styles/pages/settings.scss
@@ -53,10 +53,6 @@
     }
   }
 
-  #LnkHelp {
-    cursor: help;
-  }
-
   section {
     margin-bottom: 2rem;
     padding-left: 1rem;
@@ -370,4 +366,25 @@
       border-left: 0.1rem solid var(--ControlBorder);
     }
   }
+
+
+  i[icon] {
+    display: inline-flex;
+
+    &> svg {
+      width: 1.125em;
+      height: 1.125em;
+      stroke: rgb(var(--AppText));
+      fill: rgb(var(--AppText));
+    }
+
+    &.icon-hover {
+      border-radius: var(--borderRadius);
+      transition: background ease var(--transitionMs);
+
+      &:hover {
+        background: rgb(var(--Accent) / 0.25);
+      }
+    }
+  }
 }
diff --git a/Source/Components/ImageGlass.UI/Themes/IconFile.cs b/Source/Components/ImageGlass.UI/Themes/IconFile.cs
index ee57a2d57..bb7387b23 100644
--- a/Source/Components/ImageGlass.UI/Themes/IconFile.cs
+++ b/Source/Components/ImageGlass.UI/Themes/IconFile.cs
@@ -63,6 +63,8 @@ public enum IconName
     Selection,
     Setting,
 
+    Info,
+    Warning,
     Delete,
     Edit,
     Moon,
diff --git a/Source/ImageGlass/Icons/Info.svg b/Source/ImageGlass/Icons/Info.svg
new file mode 100644
index 000000000..9a9646dba
--- /dev/null
+++ b/Source/ImageGlass/Icons/Info.svg
@@ -0,0 +1,7 @@
+<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg" stroke="#000" fill="#000">
+<g>
+<circle cx="9" cy="9" r="8.5" fill="none" />
+<path d="M9.75 4.75C9.75 5.16421 9.41421 5.5 9 5.5C8.58579 5.5 8.25 5.16421 8.25 4.75C8.25 4.33579 8.58579 4 9 4C9.41421 4 9.75 4.33579 9.75 4.75Z" stroke="none" />
+<path d="M8.5 7.5L8.56535 7.50862C8.81407 7.54142 8.99998 7.75345 8.99998 8.00433V13C8.99998 13.2761 9.22386 13.5 9.5 13.5V13.5" stroke-linecap="round" stroke-linejoin="round" />
+</g>
+</svg>
\ No newline at end of file
diff --git a/Source/ImageGlass/Icons/Warning.svg b/Source/ImageGlass/Icons/Warning.svg
new file mode 100644
index 000000000..f700564d4
--- /dev/null
+++ b/Source/ImageGlass/Icons/Warning.svg
@@ -0,0 +1,7 @@
+<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg" stroke="#000" fill="#000">
+<g>
+<path d="M10.299 2.25L17.2272 14.25C17.8046 15.25 17.0829 16.5 15.9282 16.5H2.0718C0.917097 16.5 0.195409 15.25 0.772759 14.25L7.70096 2.25C8.27831 1.25 9.72169 1.25 10.299 2.25Z" fill="none" />
+<path d="M9.75 13.25C9.75 13.6642 9.41421 14 9 14C8.58579 14 8.25 13.6642 8.25 13.25C8.25 12.8358 8.58579 12.5 9 12.5C9.41421 12.5 9.75 12.8358 9.75 13.25Z" stroke="none"/>
+<path d="M9 11V6" stroke-linecap="round"/>
+</g>
+</svg>
\ No newline at end of file
diff --git a/Source/ImageGlass/ImageGlass.csproj b/Source/ImageGlass/ImageGlass.csproj
index 74288442b..8decc3feb 100644
--- a/Source/ImageGlass/ImageGlass.csproj
+++ b/Source/ImageGlass/ImageGlass.csproj
@@ -188,6 +188,9 @@
         <None Update="Icons\Copy.svg">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </None>
+        <None Update="Icons\Info.svg">
+          <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
         <None Update="Icons\ResetSelection.svg">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </None>
@@ -209,6 +212,9 @@
         <None Update="Icons\Sun.svg">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </None>
+        <None Update="Icons\Warning.svg">
+          <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
     </ItemGroup>