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Browswer Default
I have installed Firefox as my default browser on a new iMac, but every time I open Firefox (after quitting it or shutting down my computer) it asks me AGAIN if i want to set Firefox as my default browser. If I say "yes", I have to start all over again setting My Yahoo as my home(opening) page and reset all the bookmark shortcuts I've put into my bookmarks tool bar.
I've confirmed in Firefox, in Safari, and in System Preferences that Firefox is set as my default browser. I've uninstalled and reinstalled Firefox.
Wšykne wótegrona (2)
Macs: Make sure you install Firefox properly and that you do not run Firefox from within the DMG (Disk Images) file. https://support.mozilla.org/en-US/kb/how-download-and-install-firefox-mac
Go to FIrefox settings and uncheck
"Always check if firefox is your default browser"