Firefox only starts in windows safe mode

Hello. Yesterday Firefox was working fine however last night windows installed some updates and ever since then I when I try to click on to Firefox, it does not start. When i click on the toolbar it will flash as if it's about to start up but nothing happens. I've tried doing a system restore, fully uninstalling and reinstalling firefox, disabling firewalls and doing malware tests / removals and firefox is still not loading up.
However firefox will start in Windows safe mode.
Does anyone know how I can get it to start up?

Hello denos1977, if firefox works in Windows Safe mode then probably you have problem with other software, like security software or maybe a system driver, that is running on your computer, disable antivirus and other security software also.
did you try to open firefox in firefox safe mode, by holding down the shift key while starting Firefox ?
thank you

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