diff --git a/.github/workflows/testing_dev_e2e_with_live_services.yml b/.github/workflows/testing_dev_e2e_with_live_services.yml
index 8367a8df7..6778d5bf3 100644
--- a/.github/workflows/testing_dev_e2e_with_live_services.yml
+++ b/.github/workflows/testing_dev_e2e_with_live_services.yml
@@ -86,7 +86,12 @@ jobs:
 
       - if: matrix.os == 'ubuntu-latest'
         name: Run tests with xvfb
-        run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run coverage:tutorial
+        run: |
+          # Adjust Chrome sandbox (used by Puppeteer) owner and permissions to bypass Ubuntu 24.04's
+          # new restrictions for AppImage apps. https://github.com/electron/electron/issues/42510
+          sudo chown root ./node_modules/electron/dist/chrome-sandbox
+          sudo chmod 4755 ./node_modules/electron/dist/chrome-sandbox
+          xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run coverage:tutorial
 
       - name: Archive E2E Test Screenshots
         uses: actions/upload-artifact@v4
diff --git a/src/electron/frontend/assets/css/main.css b/src/electron/frontend/assets/css/main.css
index e1d791579..ab90e07c9 100644
--- a/src/electron/frontend/assets/css/main.css
+++ b/src/electron/frontend/assets/css/main.css
@@ -310,8 +310,8 @@ button[disabled] {
     padding: 3px 10px;
     background-color: #fff;
     font-size: 13px;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
-        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans",
+        sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
 }
 
 .menu.file {
@@ -324,8 +324,8 @@ button[disabled] {
     background-color: #fff;
     color: black;
     font-size: 13px;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
-        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans",
+        sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
 }
 
 .menu.file li:hover {
@@ -355,8 +355,8 @@ button[disabled] {
     padding: 3px 10px;
     background-color: #fff;
     font-size: 13px;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
-        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans",
+        sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
 }
 
 .menu.reg-folder.off {
diff --git a/tests/e2e/puppeteer.ts b/tests/e2e/puppeteer.ts
index 2548b49e3..a51cda6c9 100644
--- a/tests/e2e/puppeteer.ts
+++ b/tests/e2e/puppeteer.ts
@@ -50,7 +50,8 @@ export const connect = () => {
     });
 
     const browserURL = `http://localhost:${electronDebugPort}`
-    const browser = output.browser = await puppeteer.launch({ headless: 'new' })
+    // See notes on no sandbox mode: https://pptr.dev/troubleshooting#setting-up-chrome-linux-sandbox
+    const browser = output.browser = await puppeteer.launch({ headless: 'new', args: ["--no-sandbox", "--disable-setuid-sandbox"] })
     const page = output.page = await browser.newPage();
     await page.goto(browserURL);
     const endpoint = await page.evaluate(() => fetch(`json/version`).then(res => res.json()).then(res => res.webSocketDebuggerUrl))