Guys, apparently there is a bug with the latest MacOS update of Catalina 10.15.3, in regard to Safari extensions, neither an extension cannot be enabled. For example if an extension is present and enabled if you choose to disable it you cannot enable it back 😅. There is however a fix for this bug/issue: restart holding Shift key until the welcome screen and release the key (to enter in Safe Mode), open Safari -> Preferences -> Extensions tab -> enable extensions -> restart PC (normal, without holding any key, as usual). To check if the PC has started in Safe Mode, open Apple logo -> About this mac -> System Report -> scroll down to Software and click on it -> it should say on Boot mode : “Safe”, if not in Safe Mode it should be “Normal”. (You did not hold the Shift key from the beginning, so you should repeat the process)
Masterdutsu
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I'm new around here. If you can guide me on how to do that, I can send it. I don't know how to find the error, because when I tried to click on the check box to enable an extension from Safari, nothing was displayed as an error or something, it just didn't enabled while in Normal Boot Mode.---------Marius