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Mac OS 12.0.1 issues with firefox browser failing to run do to warning of mulitiple installations

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  • Last reply by FredMcD

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bold textissues with firefox desktop browser failing to run on Mac OS 12.0.1 Monterey; upon exe. of install pakage promp pops up asking if you wish to replace or kkep both copys; replace is chosen and file will not execute with warning anouther instance of firefox is already runing. ive deleted all kmown Installations and redownloaded sever times with same results.

'''''bold text'''''issues with firefox desktop browser failing to run on Mac OS 12.0.1 Monterey; upon exe. of install pakage promp pops up asking if you wish to replace or kkep both copys; replace is chosen and file will not execute with warning anouther instance of firefox is already runing. ive deleted all kmown Installations and redownloaded sever times with same results.

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Try rebooting the computer. This should clear any system problems.


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