Re-enable multi-process support disabled by Windows utilities

Firefox Firefox Last updated: 15% of users voted this helpful
This article applies to Windows computers only.

Some accessibility tools on Windows might turn off Firefox's multi-process support. Follow these steps to re-enable it:

Warning: Changing advanced preferences can affect Firefox's stability and security. This is recommended for advanced users only.

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
  2. Toggle the accessibility.loadedInLastSession preference to change its value to false.
  3. Toggle the accessibility.lastLoadDate preference to reset its value to the default setting.
  4. Restart Firefox.

Was this article helpful?

Please wait...

These fine people helped write this article:

AliceWyman, Tonnes, ideato, Joni
Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More