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I am getting "WebKit encountered an internal error" (WebKitErrorDomain:300)

I am getting "WebKit encountered an internal error" (WebKitErrorDomain:300)


I am unable to do anything in Safari, version 14.0.3, and every where I try to go this is the error message I receive.


How do I fix this?

Posted on Apr 8, 2021 11:46 AM

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Question marked as Best reply

Posted on Apr 8, 2021 1:15 PM

1. Startup in Safe Mode:    https://support.apple.com/en-us/HT201262

    Login to your account.

    Launch Safari and test.

    To exit Safe Mode, click  in the menu bar and choose “Restart”.

    Launch Safari holding  the shift key down and test.


2. Clear all website data

    https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac

1 reply
Question marked as Best reply

Apr 8, 2021 1:15 PM in response to PopoH

1. Startup in Safe Mode:    https://support.apple.com/en-us/HT201262

    Login to your account.

    Launch Safari and test.

    To exit Safe Mode, click  in the menu bar and choose “Restart”.

    Launch Safari holding  the shift key down and test.


2. Clear all website data

    https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac

I am getting "WebKit encountered an internal error" (WebKitErrorDomain:300)

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