We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

How can I un-install 39 and down grade version? 39 won't work with my company financials.

more options

I recently upgraded Firefox on my Mac laptop (running Mavericks) to version 39. Now I find that version 39 won't work with my company financials. They have advised downgrading to a previous version. How do I downgrade? Thanks.

I recently upgraded Firefox on my Mac laptop (running Mavericks) to version 39. Now I find that version 39 won't work with my company financials. They have advised downgrading to a previous version. How do I downgrade? Thanks.

All Replies (2)

more options
more options

In what way doesn't it work? Could you be more specific without disclosing anything too confidential?