What causes "Todoist Desktop App Login Loop or Blank Screen"?

Outdated desktop app Browser blocking the sign-in pop-up Problem with the default browser Corrupted local app data

How do I fix "Todoist Desktop App Login Loop or Blank Screen"?

1. Update the app: Accept the restart-to-update prompt Or right-click the Todoist icon in the system tray/menu bar, choose Quit Todoist, and reopen so the update installs 2. Allow pop-ups and try another browser: Allow pop-ups for todoist.com in your default browser Temporarily change your default browser and retry sign-in 3. Use the magic link: On the login screen, use the option to sign in with a link that opens the desktop app directly 4. Clear application data: macOS: Todoist menu (top-left) > clear app data option Windows: right-click the tray icon > clear app data option The app restarts on the login page 5. Reinstall: Uninstall Todoist, download the latest version from todoist.com/downloads, and sign in again If it persists, download logs (Help > Troubleshooting on macOS) and contact support

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Todoist Desktop App Login Loop or Blank Screen

Workaround available Windows, macOS Updated October 21, 2026

Quick answer

The Windows/macOS app signs you in through a browser tab, so blocked pop-ups, an old app version or bad local data cause loops and blank screens. Update the app, allow pop-ups, try another default browser, use the magic link, or clear app data and reinstall.

Most likely fix: Update the app.

Symptoms

The desktop app keeps bouncing between browser and app, shows a blank or unresponsive login page, or never finishes signing in.

Why it happens

Outdated desktop app
Browser blocking the sign-in pop-up
Problem with the default browser
Corrupted local app data

How to fix it

Try these in order — the most common fix is first.

1. Update the app
1. Accept the restart-to-update prompt
2. Or right-click the Todoist icon in the system tray/menu bar, choose Quit Todoist, and reopen so the update installs
2. Allow pop-ups and try another browser
1. Allow pop-ups for todoist.com in your default browser
2. Temporarily change your default browser and retry sign-in
3. Use the magic link
1. On the login screen, use the option to sign in with a link that opens the desktop app directly
4. Clear application data
1. macOS: Todoist menu (top-left) > clear app data option
2. Windows: right-click the tray icon > clear app data option
3. The app restarts on the login page
5. Reinstall
1. Uninstall Todoist, download the latest version from todoist.com/downloads, and sign in again
2. If it persists, download logs (Help > Troubleshooting on macOS) and contact support

This guide also covers

todoist login loop
todoist desktop app blank screen
todoist app won't open
todoist windows login not working

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