diff --git a/package.json b/package.json
index b794b196..05dcd5d9 100644
--- a/package.json
+++ b/package.json
@@ -149,6 +149,7 @@
     "conf": "10.2.0",
     "custom-electron-prompt": "1.5.7",
     "dbus-next": "0.10.2",
+    "deepmerge-ts": "5.1.0",
     "electron-debug": "3.2.0",
     "electron-is": "3.0.0",
     "electron-localshortcut": "3.2.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 35f385e1..abc95b1e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -58,6 +58,9 @@ dependencies:
   dbus-next:
     specifier: 0.10.2
     version: 0.10.2
+  deepmerge-ts:
+    specifier: 5.1.0
+    version: 5.1.0
   electron-debug:
     specifier: 3.2.0
     version: 3.2.0
@@ -2265,6 +2268,11 @@ packages:
     resolution: {integrity: sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==}
     dev: true
 
+  /deepmerge-ts@5.1.0:
+    resolution: {integrity: sha512-eS8dRJOckyo9maw9Tu5O5RUi/4inFLrnoLkBe3cPfDMx3WZioXtmOew4TXQaxq7Rhl4xjDtR7c6x8nNTxOvbFw==}
+    engines: {node: '>=16.0.0'}
+    dev: false
+
   /deepmerge@4.3.1:
     resolution: {integrity: sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==}
     engines: {node: '>=0.10.0'}
diff --git a/src/config/index.ts b/src/config/index.ts
index fb081f2b..d88c23d8 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -14,7 +14,7 @@ const set = (key: string, value: unknown) => {
   store.set(key, value);
 };
 const setPartial = (key: string, value: object) => {
-  deepmerge(store.get(key), value);
+  deepmerge(store.get(key) ?? {}, value);
   store.set(value);
 };
 
diff --git a/src/index.ts b/src/index.ts
index 03eac02b..0cb2e6ce 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -103,7 +103,7 @@ if (is.windows()) {
 ipcMain.handle('get-main-plugin-names', () => Object.keys(mainPlugins));
 
 const initHook = (win: BrowserWindow) => {
-  ipcMain.handle('get-config', (_, id: keyof PluginBuilderList) => deepmerge(pluginBuilders[id].config, config.get(`plugins.${id}`)) as PluginBuilderList[typeof id]['config']);
+  ipcMain.handle('get-config', (_, id: keyof PluginBuilderList) => deepmerge(pluginBuilders[id].config, config.get(`plugins.${id}`) ?? {}) as PluginBuilderList[typeof id]['config']);
   ipcMain.handle('set-config', (_, name: string, obj: object) => config.setPartial(`plugins.${name}`, obj));
 
   config.watch((newValue) => {
@@ -148,7 +148,7 @@ async function loadPlugins(win: BrowserWindow) {
     Key extends keyof PluginBuilderList,
     Config extends PluginBaseConfig = PluginBuilderList[Key]['config'],
   >(name: Key): MainPluginContext<Config> => ({
-    getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`)) as Config,
+    getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`) ?? {}) as Config,
     setConfig: (newConfig) => {
       config.setPartial(`plugins.${name}`, newConfig);
     },
@@ -167,25 +167,29 @@ async function loadPlugins(win: BrowserWindow) {
   const pluginConfigs = config.plugins.getPlugins();
   for (const [pluginId, factory] of Object.entries(mainPlugins)) {
     if (Object.hasOwn(pluginBuilders, pluginId)) {
-      const builder = pluginBuilders[pluginId as keyof PluginBuilderList];
-      const config = deepmerge(builder.config, pluginConfigs[pluginId as keyof PluginBuilderList]);
+      try {
+        const builder = pluginBuilders[pluginId as keyof PluginBuilderList];
+        const config = deepmerge(builder.config, pluginConfigs[pluginId as keyof PluginBuilderList] ?? {});
 
-      if (config?.enabled) {
-        builder.styles?.forEach((style) => {
-          injectCSS(win.webContents, style);
-          console.log('[YTMusic]', `"${pluginId}" plugin meta data is loaded`);
-        });
+        if (config.enabled) {
+          builder.styles?.forEach((style) => {
+            injectCSS(win.webContents, style);
+          });
+          console.log('[YTMusic]', `"${pluginId}" plugin data is loaded`);
 
-        try {
-          const context = createContext(pluginId as keyof PluginBuilderList);
-          const plugin = await (factory as MainPluginFactory<PluginBaseConfig>)(context);
-          loadedPluginList.push([pluginId, plugin]);
-          plugin.onLoad?.(win);
-          console.log('[YTMusic]', `"${pluginId}" plugin is loaded`);
-        } catch (error) {
-          console.error('[YTMusic]', `Cannot load plugin "${pluginId}"`);
-          console.trace(error);
+          try {
+            const context = createContext(pluginId as keyof PluginBuilderList);
+            const plugin = await (factory as MainPluginFactory<PluginBaseConfig>)(context);
+            loadedPluginList.push([pluginId, plugin]);
+            plugin.onLoad?.(win);
+            console.log('[YTMusic]', `"${pluginId}" plugin is loaded`);
+          } catch (error) {
+            console.error('[YTMusic]', `Cannot load plugin "${pluginId}"`);
+            console.trace(error);
+          }
         }
+      } catch(err) {
+        console.log('[YTMusic]', `Cannot initialize "${pluginId}" plugin: ${String(err)}`);
       }
     }
   }
diff --git a/src/menu.ts b/src/menu.ts
index 82c0b2f8..314ca8e0 100644
--- a/src/menu.ts
+++ b/src/menu.ts
@@ -56,7 +56,7 @@ export const mainMenuTemplate = async (win: BrowserWindow): Promise<MenuTemplate
     Key extends keyof PluginBuilderList,
     Config extends PluginBaseConfig = PluginBuilderList[Key]['config'],
   >(name: Key): MenuPluginContext<Config> => ({
-    getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`)) as Config,
+    getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`) ?? {}) as Config,
     setConfig: (newConfig) => {
       config.setPartial(`plugins.${name}`, newConfig);
     },
diff --git a/src/plugins/picture-in-picture/main.ts b/src/plugins/picture-in-picture/main.ts
index 4b3cb59b..4300ceac 100644
--- a/src/plugins/picture-in-picture/main.ts
+++ b/src/plugins/picture-in-picture/main.ts
@@ -6,7 +6,7 @@ import builder, { PictureInPicturePluginConfig } from './index';
 
 import { injectCSS } from '../utils/main';
 
-export default builder.createMain(({ getConfig, setConfig, send, handle }) => {
+export default builder.createMain(({ getConfig, setConfig, send, handle, on }) => {
   let isInPiP = false;
   let originalPosition: number[];
   let originalSize: number[];
@@ -96,8 +96,7 @@ export default builder.createMain(({ getConfig, setConfig, send, handle }) => {
       config ??= await getConfig();
       win ??= window;
       setConfig({ isInPiP });
-      injectCSS(win.webContents, style);
-      ipcMain.on('picture-in-picture', () => {
+      on('picture-in-picture', () => {
         togglePiP();
       });
 
diff --git a/src/preload.ts b/src/preload.ts
index 60c800d0..733d697a 100644
--- a/src/preload.ts
+++ b/src/preload.ts
@@ -17,7 +17,7 @@ const createContext = <
   Key extends keyof PluginBuilderList,
   Config extends PluginBaseConfig = PluginBuilderList[Key]['config'],
 >(name: Key): PluginContext<Config> => ({
-  getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`)) as Config,
+  getConfig: () => deepmerge(pluginBuilders[name].config, config.get(`plugins.${name}`) ?? {}) as Config,
   setConfig: (newConfig) => {
     config.setPartial(`plugins.${name}`, newConfig);
   },
@@ -28,7 +28,7 @@ const preloadedPluginList = [];
 
 const pluginConfig = config.plugins.getPlugins();
 Object.entries(preloadPlugins)
-  .filter(([id]) => deepmerge(pluginBuilders[id as keyof PluginBuilderList].config, pluginConfig[id as keyof PluginBuilderList])?.enabled)
+  .filter(([id]) => deepmerge(pluginBuilders[id as keyof PluginBuilderList].config, pluginConfig[id as keyof PluginBuilderList] ?? {}).enabled)
   .forEach(async ([id]) => {
   if (Object.hasOwn(preloadPlugins, id)) {
     const factory = (preloadPlugins as Record<string, PreloadPluginFactory<PluginBaseConfig>>)[id];
diff --git a/src/renderer.ts b/src/renderer.ts
index 64b22f9a..5a9d122a 100644
--- a/src/renderer.ts
+++ b/src/renderer.ts
@@ -4,13 +4,13 @@ import { rendererPlugins } from 'virtual:RendererPlugins';
 
 import { deepmerge as createDeepmerge } from '@fastify/deepmerge';
 
+import { pluginBuilders } from 'virtual:PluginBuilders';
+
 import { PluginBaseConfig, RendererPluginContext, RendererPluginFactory } from './plugins/utils/builder';
 
 import { startingPages } from './providers/extracted-data';
 import { setupSongControls } from './providers/song-controls-front';
 import setupSongInfo from './providers/song-info-front';
-import {mainPlugins} from "virtual:MainPlugins";
-import {pluginBuilders} from "virtual:PluginBuilders";
 
 const deepmerge = createDeepmerge();
 
@@ -125,7 +125,7 @@ const createContext = <
   const rendererPluginList = Object.entries(rendererPlugins);
   const rendererPluginResult = await Promise.allSettled(
     rendererPluginList
-      .filter(([id]) => deepmerge(pluginBuilders[id as keyof PluginBuilderList].config, pluginConfig[id as keyof PluginBuilderList])?.enabled)
+      .filter(([id]) => deepmerge(pluginBuilders[id as keyof PluginBuilderList].config, pluginConfig[id as keyof PluginBuilderList] ?? {}).enabled)
       .map(async ([id, builder]) => {
         const context = createContext(id as keyof PluginBuilderList);
         return [id, await (builder as RendererPluginFactory<PluginBaseConfig>)(context)] as const;