diff --git a/electron-builder.cjs b/electron-builder.cjs
index e08e8c21..95e2408b 100644
--- a/electron-builder.cjs
+++ b/electron-builder.cjs
@@ -1,8 +1,13 @@
 /* eslint-disable no-template-curly-in-string */
 
 const { join } = require('node:path');
+const { readdirSync } = require('fs');
 const { electronBundled, electronUnbundled } = require('./dist-dirs.json');
 
+/**
+* @type {import('electron-builder').Configuration}
+* @see https://www.electron.build/configuration/configuration
+*/
 module.exports = {
   // Common options
   publish: {
@@ -14,7 +19,9 @@ module.exports = {
     output: electronBundled,
   },
   extraMetadata: {
-    main: join(electronUnbundled, 'main/index.cjs'), // do not `path.resolve`, it expects a relative path
+    main: findMainEntryFile(
+      join(electronUnbundled, 'main'), // do not `path.resolve`, it expects a relative path
+    ),
   },
 
   // Windows
@@ -41,3 +48,15 @@ module.exports = {
     artifactName: '${name}-${version}.${ext}',
   },
 };
+
+/**
+ * Finds by accommodating different JS file extensions and module formats.
+ */
+function findMainEntryFile(parentDirectory) {
+  const files = readdirSync(parentDirectory);
+  const entryFile = files.find((file) => /^index\.(cjs|mjs|js)$/.test(file));
+  if (!entryFile) {
+    throw new Error(`Main entry file not found in ${parentDirectory}.`);
+  }
+  return join(parentDirectory, entryFile);
+}
diff --git a/electron.vite.config.ts b/electron.vite.config.ts
index 25daee0a..c778e502 100644
--- a/electron.vite.config.ts
+++ b/electron.vite.config.ts
@@ -14,7 +14,7 @@ const ELECTRON_DIST_SUBDIRECTORIES = {
   renderer: resolveElectronDistSubdirectory('renderer'),
 };
 
-process.env.ELECTRON_ENTRY = resolve(ELECTRON_DIST_SUBDIRECTORIES.main, 'index.cjs');
+process.env.ELECTRON_ENTRY = resolve(ELECTRON_DIST_SUBDIRECTORIES.main, 'index.mjs');
 
 export default defineConfig({
   main: getSharedElectronConfig({
@@ -54,13 +54,23 @@ function getSharedElectronConfig(options: {
       },
       rollupOptions: {
         output: {
-          // Mark: electron-esm-support
-          //  This is needed so `type="module"` works
-          entryFileNames: '[name].cjs',
+          format: 'es',
+
+          // Ensure all generated files use '.mjs' for module consistency.
+          // Otherwise, preloader process get `.mjs` extension but main process get `.js` extension, see https://github.com/alex8088/electron-vite/issues/397.
+          entryFileNames: '[name].mjs',
         },
       },
     },
-    plugins: [externalizeDepsPlugin()],
+    plugins: [externalizeDepsPlugin({
+      exclude: [
+        // Keep 'electron-log' in bundling process.
+        // This is a workaround for inability of Electron's ESM loader to resolve subpath imports.
+        // Do not externalize `electron-log` so subpath imports such as `electron-log/main` works.
+        // See https://github.com/electron/electron/issues/41241, https://github.com/alex8088/electron-vite/issues/401
+        'electron-log',
+      ],
+    })],
     define: {
       ...getClientEnvironmentVariables(),
     },
diff --git a/package-lock.json b/package-lock.json
index 356ab4f6..bd39961f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@juggle/resize-observer": "^3.4.0",
         "@types/markdown-it": "^13.0.7",
         "ace-builds": "^1.30.0",
-        "electron-log": "^5.0.1",
+        "electron-log": "^5.1.2",
         "electron-progressbar": "^2.1.0",
         "electron-updater": "^6.1.4",
         "file-saver": "^2.0.5",
@@ -34,8 +34,8 @@
         "@vue/test-utils": "^2.4.1",
         "autoprefixer": "^10.4.16",
         "cypress": "^13.3.1",
-        "electron": "^27.0.0",
-        "electron-builder": "^24.6.4",
+        "electron": "^29.1.4",
+        "electron-builder": "^24.13.3",
         "electron-devtools-installer": "^3.2.0",
         "electron-icon-builder": "^2.0.1",
         "electron-vite": "^2.1.0",
@@ -4879,19 +4879,6 @@
         "electron-builder-squirrel-windows": "24.13.3"
       }
     },
-    "node_modules/app-builder-lib/node_modules/builder-util-runtime": {
-      "version": "9.2.4",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-      "dev": true,
-      "dependencies": {
-        "debug": "^4.3.4",
-        "sax": "^1.2.4"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/app-builder-lib/node_modules/form-data": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
@@ -5718,9 +5705,9 @@
       }
     },
     "node_modules/builder-util-runtime": {
-      "version": "9.2.1",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.1.tgz",
-      "integrity": "sha512-2rLv/uQD2x+dJ0J3xtsmI12AlRyk7p45TEbE/6o/fbb633e/S3pPgm+ct+JHsoY7r39dKHnGEFk/AASRFdnXmA==",
+      "version": "9.2.4",
+      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
+      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
       "dependencies": {
         "debug": "^4.3.4",
         "sax": "^1.2.4"
@@ -5744,19 +5731,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/builder-util/node_modules/builder-util-runtime": {
-      "version": "9.2.4",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-      "dev": true,
-      "dependencies": {
-        "debug": "^4.3.4",
-        "sax": "^1.2.4"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/builder-util/node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -7140,19 +7114,6 @@
         "dmg-license": "^1.0.11"
       }
     },
-    "node_modules/dmg-builder/node_modules/builder-util-runtime": {
-      "version": "9.2.4",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-      "dev": true,
-      "dependencies": {
-        "debug": "^4.3.4",
-        "sax": "^1.2.4"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/dmg-builder/node_modules/fs-extra": {
       "version": "10.1.0",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.1.0.tgz",
@@ -7347,14 +7308,14 @@
       }
     },
     "node_modules/electron": {
-      "version": "27.0.0",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-27.0.0.tgz",
-      "integrity": "sha512-mr3Zoy82l8XKK/TgguE5FeNeHZ9KHXIGIpUMjbjZWIREfAv+X2Q3vdX6RG0Pmi1K23AFAxANXQezIHBA2Eypwg==",
+      "version": "29.1.4",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-29.1.4.tgz",
+      "integrity": "sha512-IWXys0SqgmIfrqXusUGQC0gGG7CCqA5vfmNsUMj8dFkAnK3lisKyjSESStWlrsste/OX/AAC5wsVlf23reUNnw==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {
         "@electron/get": "^2.0.0",
-        "@types/node": "^18.11.18",
+        "@types/node": "^20.9.0",
         "extract-zip": "^2.0.1"
       },
       "bin": {
@@ -7433,19 +7394,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/electron-builder/node_modules/builder-util-runtime": {
-      "version": "9.2.4",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-      "dev": true,
-      "dependencies": {
-        "debug": "^4.3.4",
-        "sax": "^1.2.4"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/electron-builder/node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -7565,9 +7513,9 @@
       }
     },
     "node_modules/electron-log": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/electron-log/-/electron-log-5.0.1.tgz",
-      "integrity": "sha512-x4wnwHg00h/onWQgjmvcdLV7Mrd9TZjxNs8LmXVpqvANDf4FsSs5wLlzOykWLcaFzR3+5hdVEQ8ctmrUxgHlPA==",
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/electron-log/-/electron-log-5.1.2.tgz",
+      "integrity": "sha512-Cpg4hAZ27yM9wzE77c4TvgzxzavZ+dVltCczParXN+Vb3jocojCSAuSMCVOI9fhFuuOR+iuu3tZLX1cu0y0kgQ==",
       "engines": {
         "node": ">= 14"
       }
@@ -7610,19 +7558,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/electron-publish/node_modules/builder-util-runtime": {
-      "version": "9.2.4",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-      "dev": true,
-      "dependencies": {
-        "debug": "^4.3.4",
-        "sax": "^1.2.4"
-      },
-      "engines": {
-        "node": ">=12.0.0"
-      }
-    },
     "node_modules/electron-publish/node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -7699,11 +7634,11 @@
       "dev": true
     },
     "node_modules/electron-updater": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/electron-updater/-/electron-updater-6.1.4.tgz",
-      "integrity": "sha512-yYAJc6RQjjV4WtInZVn+ZcLyXRhbVXoomKEfUUwDqIk5s2wxzLhWaor7lrNgxODyODhipjg4SVPMhJHi5EnsCA==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/electron-updater/-/electron-updater-6.2.1.tgz",
+      "integrity": "sha512-83eKIPW14qwZqUUM6wdsIRwVKZyjmHxQ4/8G+1C6iS5PdDt7b1umYQyj1/qPpH510GmHEQe4q0kCPe3qmb3a0Q==",
       "dependencies": {
-        "builder-util-runtime": "9.2.1",
+        "builder-util-runtime": "9.2.4",
         "fs-extra": "^10.1.0",
         "js-yaml": "^4.1.0",
         "lazy-val": "^1.0.5",
@@ -7755,6 +7690,21 @@
         }
       }
     },
+    "node_modules/electron/node_modules/@types/node": {
+      "version": "20.11.28",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.28.tgz",
+      "integrity": "sha512-M/GPWVS2wLkSkNHVeLkrF2fD5Lx5UC4PxA0uZcKc6QqbIQUJyW1jVjueJYi1z8n0I5PxYrtpnPnWglE+y9A0KA==",
+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/electron/node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "node_modules/emoji-regex": {
       "version": "9.2.2",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
@@ -24107,16 +24057,6 @@
         "temp-file": "^3.4.0"
       },
       "dependencies": {
-        "builder-util-runtime": {
-          "version": "9.2.4",
-          "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-          "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-          "dev": true,
-          "requires": {
-            "debug": "^4.3.4",
-            "sax": "^1.2.4"
-          }
-        },
         "form-data": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
@@ -24751,16 +24691,6 @@
             "color-convert": "^2.0.1"
           }
         },
-        "builder-util-runtime": {
-          "version": "9.2.4",
-          "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-          "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-          "dev": true,
-          "requires": {
-            "debug": "^4.3.4",
-            "sax": "^1.2.4"
-          }
-        },
         "chalk": {
           "version": "4.1.2",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -24815,9 +24745,9 @@
       }
     },
     "builder-util-runtime": {
-      "version": "9.2.1",
-      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.1.tgz",
-      "integrity": "sha512-2rLv/uQD2x+dJ0J3xtsmI12AlRyk7p45TEbE/6o/fbb633e/S3pPgm+ct+JHsoY7r39dKHnGEFk/AASRFdnXmA==",
+      "version": "9.2.4",
+      "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
+      "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
       "requires": {
         "debug": "^4.3.4",
         "sax": "^1.2.4"
@@ -25829,16 +25759,6 @@
         "js-yaml": "^4.1.0"
       },
       "dependencies": {
-        "builder-util-runtime": {
-          "version": "9.2.4",
-          "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-          "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-          "dev": true,
-          "requires": {
-            "debug": "^4.3.4",
-            "sax": "^1.2.4"
-          }
-        },
         "fs-extra": {
           "version": "10.1.0",
           "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-10.1.0.tgz",
@@ -25989,14 +25909,31 @@
       }
     },
     "electron": {
-      "version": "27.0.0",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-27.0.0.tgz",
-      "integrity": "sha512-mr3Zoy82l8XKK/TgguE5FeNeHZ9KHXIGIpUMjbjZWIREfAv+X2Q3vdX6RG0Pmi1K23AFAxANXQezIHBA2Eypwg==",
+      "version": "29.1.4",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-29.1.4.tgz",
+      "integrity": "sha512-IWXys0SqgmIfrqXusUGQC0gGG7CCqA5vfmNsUMj8dFkAnK3lisKyjSESStWlrsste/OX/AAC5wsVlf23reUNnw==",
       "dev": true,
       "requires": {
         "@electron/get": "^2.0.0",
-        "@types/node": "^18.11.18",
+        "@types/node": "^20.9.0",
         "extract-zip": "^2.0.1"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "20.11.28",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.28.tgz",
+          "integrity": "sha512-M/GPWVS2wLkSkNHVeLkrF2fD5Lx5UC4PxA0uZcKc6QqbIQUJyW1jVjueJYi1z8n0I5PxYrtpnPnWglE+y9A0KA==",
+          "dev": true,
+          "requires": {
+            "undici-types": "~5.26.4"
+          }
+        },
+        "undici-types": {
+          "version": "5.26.5",
+          "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+          "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+          "dev": true
+        }
       }
     },
     "electron-builder": {
@@ -26027,16 +25964,6 @@
             "color-convert": "^2.0.1"
           }
         },
-        "builder-util-runtime": {
-          "version": "9.2.4",
-          "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-          "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-          "dev": true,
-          "requires": {
-            "debug": "^4.3.4",
-            "sax": "^1.2.4"
-          }
-        },
         "chalk": {
           "version": "4.1.2",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -26157,9 +26084,9 @@
       }
     },
     "electron-log": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/electron-log/-/electron-log-5.0.1.tgz",
-      "integrity": "sha512-x4wnwHg00h/onWQgjmvcdLV7Mrd9TZjxNs8LmXVpqvANDf4FsSs5wLlzOykWLcaFzR3+5hdVEQ8ctmrUxgHlPA=="
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/electron-log/-/electron-log-5.1.2.tgz",
+      "integrity": "sha512-Cpg4hAZ27yM9wzE77c4TvgzxzavZ+dVltCczParXN+Vb3jocojCSAuSMCVOI9fhFuuOR+iuu3tZLX1cu0y0kgQ=="
     },
     "electron-progressbar": {
       "version": "2.1.0",
@@ -26193,16 +26120,6 @@
             "color-convert": "^2.0.1"
           }
         },
-        "builder-util-runtime": {
-          "version": "9.2.4",
-          "resolved": "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-9.2.4.tgz",
-          "integrity": "sha512-upp+biKpN/XZMLim7aguUyW8s0FUpDvOtK6sbanMFDAMBzpHDqdhgVYm6zc9HJ6nWo7u2Lxk60i2M6Jd3aiNrA==",
-          "dev": true,
-          "requires": {
-            "debug": "^4.3.4",
-            "sax": "^1.2.4"
-          }
-        },
         "chalk": {
           "version": "4.1.2",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -26263,11 +26180,11 @@
       "dev": true
     },
     "electron-updater": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/electron-updater/-/electron-updater-6.1.4.tgz",
-      "integrity": "sha512-yYAJc6RQjjV4WtInZVn+ZcLyXRhbVXoomKEfUUwDqIk5s2wxzLhWaor7lrNgxODyODhipjg4SVPMhJHi5EnsCA==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/electron-updater/-/electron-updater-6.2.1.tgz",
+      "integrity": "sha512-83eKIPW14qwZqUUM6wdsIRwVKZyjmHxQ4/8G+1C6iS5PdDt7b1umYQyj1/qPpH510GmHEQe4q0kCPe3qmb3a0Q==",
       "requires": {
-        "builder-util-runtime": "9.2.1",
+        "builder-util-runtime": "9.2.4",
         "fs-extra": "^10.1.0",
         "js-yaml": "^4.1.0",
         "lazy-val": "^1.0.5",
diff --git a/package.json b/package.json
index cabc8633..7b7f973a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@juggle/resize-observer": "^3.4.0",
     "@types/markdown-it": "^13.0.7",
     "ace-builds": "^1.30.0",
-    "electron-log": "^5.0.1",
+    "electron-log": "^5.1.2",
     "electron-progressbar": "^2.1.0",
     "electron-updater": "^6.1.4",
     "file-saver": "^2.0.5",
@@ -58,8 +58,8 @@
     "@vue/test-utils": "^2.4.1",
     "autoprefixer": "^10.4.16",
     "cypress": "^13.3.1",
-    "electron": "^27.0.0",
-    "electron-builder": "^24.6.4",
+    "electron": "^29.1.4",
+    "electron-builder": "^24.13.3",
     "electron-devtools-installer": "^3.2.0",
     "electron-icon-builder": "^2.0.1",
     "electron-vite": "^2.1.0",
diff --git a/scripts/verify-build-artifacts.js b/scripts/verify-build-artifacts.js
index 1ca9d77f..4c32dabe 100644
--- a/scripts/verify-build-artifacts.js
+++ b/scripts/verify-build-artifacts.js
@@ -44,8 +44,8 @@ function getBuildVerificationConfigs() {
     '--electron-unbundled': {
       printDistDirScriptArgument: '--electron-unbundled',
       filePatterns: [
-        /main[/\\]index\.cjs/,
-        /preload[/\\]index\.cjs/,
+        /main[/\\]index\.(cjs|mjs|js)/,
+        /preload[/\\]index\.(cjs|mjs|js)/,
         /renderer[/\\]index\.htm(l)?/,
       ],
     },
diff --git a/src/presentation/electron/main/ElectronConfig.ts b/src/presentation/electron/main/ElectronConfig.ts
index a8b3604c..2954f64f 100644
--- a/src/presentation/electron/main/ElectronConfig.ts
+++ b/src/presentation/electron/main/ElectronConfig.ts
@@ -13,4 +13,4 @@ export const RENDERER_URL = process.env.ELECTRON_RENDERER_URL;
 
 export const RENDERER_HTML_PATH = join('file://', __dirname, '../renderer/index.html');
 
-export const PRELOADER_SCRIPT_PATH = join(__dirname, '../preload/index.cjs');
+export const PRELOADER_SCRIPT_PATH = join(__dirname, '../preload/index.mjs');
diff --git a/src/presentation/electron/main/Update/AutomaticUpdateCoordinator.ts b/src/presentation/electron/main/Update/AutomaticUpdateCoordinator.ts
index b56d8db5..c235f871 100644
--- a/src/presentation/electron/main/Update/AutomaticUpdateCoordinator.ts
+++ b/src/presentation/electron/main/Update/AutomaticUpdateCoordinator.ts
@@ -1,18 +1,20 @@
 import { app, dialog } from 'electron/main';
-import { autoUpdater, type UpdateInfo } from 'electron-updater';
 import { ElectronLogger } from '@/infrastructure/Log/ElectronLogger';
 import { UpdateProgressBar } from './UpdateProgressBar';
+import { getAutoUpdater } from './ElectronAutoUpdaterFactory';
+import type { AppUpdater, UpdateInfo } from 'electron-updater';
 import type { ProgressInfo } from 'electron-builder';
 
 export async function handleAutoUpdate() {
+  const autoUpdater = getAutoUpdater();
   if (await askDownloadAndInstall() === DownloadDialogResult.NotNow) {
     return;
   }
-  startHandlingUpdateProgress();
+  startHandlingUpdateProgress(autoUpdater);
   await autoUpdater.downloadUpdate();
 }
 
-function startHandlingUpdateProgress() {
+function startHandlingUpdateProgress(autoUpdater: AppUpdater) {
   const progressBar = new UpdateProgressBar();
   progressBar.showIndeterminateState();
   autoUpdater.on('error', (e) => {
@@ -29,11 +31,11 @@ function startHandlingUpdateProgress() {
   autoUpdater.on('update-downloaded', async (info: UpdateInfo) => {
     ElectronLogger.info('@update-downloaded@\n', info);
     progressBar.close();
-    await handleUpdateDownloaded();
+    await handleUpdateDownloaded(autoUpdater);
   });
 }
 
-async function handleUpdateDownloaded() {
+async function handleUpdateDownloaded(autoUpdater: AppUpdater) {
   if (await askRestartAndInstall() === InstallDialogResult.NotNow) {
     return;
   }
diff --git a/src/presentation/electron/main/Update/ElectronAutoUpdaterFactory.ts b/src/presentation/electron/main/Update/ElectronAutoUpdaterFactory.ts
new file mode 100644
index 00000000..7acbcd1c
--- /dev/null
+++ b/src/presentation/electron/main/Update/ElectronAutoUpdaterFactory.ts
@@ -0,0 +1,8 @@
+import electronUpdater, { type AppUpdater } from 'electron-updater';
+
+export function getAutoUpdater(): AppUpdater {
+  // Using destructuring to access autoUpdater due to the CommonJS module of 'electron-updater'.
+  // It is a workaround for ESM compatibility issues, see https://github.com/electron-userland/electron-builder/issues/7976.
+  const { autoUpdater } = electronUpdater;
+  return autoUpdater;
+}
diff --git a/src/presentation/electron/main/Update/UpdateInitializer.ts b/src/presentation/electron/main/Update/UpdateInitializer.ts
index 5d0bb186..dc0e8c99 100644
--- a/src/presentation/electron/main/Update/UpdateInitializer.ts
+++ b/src/presentation/electron/main/Update/UpdateInitializer.ts
@@ -1,13 +1,16 @@
-import { autoUpdater, type UpdateInfo } from 'electron-updater';
 import { ElectronLogger } from '@/infrastructure/Log/ElectronLogger';
 import { requiresManualUpdate, startManualUpdateProcess } from './ManualUpdater/ManualUpdateCoordinator';
 import { handleAutoUpdate } from './AutomaticUpdateCoordinator';
+import { getAutoUpdater } from './ElectronAutoUpdaterFactory';
+import type { UpdateInfo } from 'electron-updater';
 
 interface Updater {
   checkForUpdates(): Promise<void>;
 }
 
 export function setupAutoUpdater(): Updater {
+  const autoUpdater = getAutoUpdater();
+
   autoUpdater.logger = ElectronLogger;
 
   // Auto-downloads are disabled to allow separate handling of 'check' and 'download' actions,
diff --git a/tests/checks/desktop-runtime-errors/main.spec.ts b/tests/checks/desktop-runtime-errors/main.spec.ts
index e98e7d3c..7e49fadf 100644
--- a/tests/checks/desktop-runtime-errors/main.spec.ts
+++ b/tests/checks/desktop-runtime-errors/main.spec.ts
@@ -1,6 +1,7 @@
 import {
   describe, it, beforeAll, afterAll,
 } from 'vitest';
+import { formatAssertionMessage } from '@tests/shared/FormatAssertionMessage';
 import { main } from './check-desktop-runtime-errors/main';
 import { COMMAND_LINE_FLAGS, CommandLineFlag } from './check-desktop-runtime-errors/cli-args';
 
@@ -14,7 +15,10 @@ describe('desktop runtime error checks', () => {
       () => main(),
     );
     // assert
-    expect(exitCode).to.equal(0);
+    expect(exitCode).to.equal(0, formatAssertionMessage([
+      `Test failed with exit code ${exitCode}; expected 0.`,
+      'Examine preceding logs to identify errors.',
+    ]));
   }, {
     timeout: 60 /* minutes */ * 60000,
   });
diff --git a/vite-config-helper.ts b/vite-config-helper.ts
index 08afbc28..ed4f3a76 100644
--- a/vite-config-helper.ts
+++ b/vite-config-helper.ts
@@ -55,7 +55,7 @@ function getPathAliasesFromTsConfig(): ViteAliasDefinitions {
 }
 
 function getElectronProcessSpecificModuleAliases(): ViteAliasDefinitions {
-  // Workaround for scoped Electron module imports due to https://github.com/alex8088/electron-vite/issues/372
+  // Workaround for Vite not being able to build tests with scoped Electron module imports.
   const electronProcessScopedModuleAliases = [
     'electron/main',
     'electron/renderer',