![would like to install the latest version but want to also keep old version. Is it possible? Already have created a second profile | Firefox Support Forum | Mozilla Support would like to install the latest version but want to also keep old version. Is it possible? Already have created a second profile | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2018-03-06-13-01-57-d0f251.png)
would like to install the latest version but want to also keep old version. Is it possible? Already have created a second profile | Firefox Support Forum | Mozilla Support
![Every time a new update is available, Firefox issues a warning that I am running an older version and have to create a new Firefox profile. | Firefox Support Forum | Mozilla Support Every time a new update is available, Firefox issues a warning that I am running an older version and have to create a new Firefox profile. | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2019-07-17-23-47-08-8faf08.png)
Every time a new update is available, Firefox issues a warning that I am running an older version and have to create a new Firefox profile. | Firefox Support Forum | Mozilla Support
![Why does Firefox create a new profile, losing all my settings and bookmarks everytime I restart my mac? | Firefox Support Forum | Mozilla Support Why does Firefox create a new profile, losing all my settings and bookmarks everytime I restart my mac? | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2019-08-12-05-22-03-4f7bae.png)
Why does Firefox create a new profile, losing all my settings and bookmarks everytime I restart my mac? | Firefox Support Forum | Mozilla Support
![Firefox crashes and can't use the existing profile when relaunching | Firefox-stipefoarum | Mozilla Support Firefox crashes and can't use the existing profile when relaunching | Firefox-stipefoarum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2019-10-09-10-10-45-17e924.png)
Firefox crashes and can't use the existing profile when relaunching | Firefox-stipefoarum | Mozilla Support
![I tried moving my Firefox profile data from ESR to current Firefox, both on different computers, this is what happens on launch. : r/firefox I tried moving my Firefox profile data from ESR to current Firefox, both on different computers, this is what happens on launch. : r/firefox](https://i.redd.it/tfhh9mbcrrv61.jpg)
I tried moving my Firefox profile data from ESR to current Firefox, both on different computers, this is what happens on launch. : r/firefox
![Firefox 69.02 Install: "You've launched an older version of Firefox - Exit or Create New Profile : r/firefox Firefox 69.02 Install: "You've launched an older version of Firefox - Exit or Create New Profile : r/firefox](https://preview.redd.it/fbabgehjtpr31.jpg?auto=webp&s=f718dc6163ff7c26e438f529853102fdf3837a00)