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@ -576,6 +576,7 @@ After enabling two factor authentication there will be this error message:
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The error message "*Authentication failed - Invalid credentials*" means that the Android account manager was not able to refresh the access token.
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A common cause for this problem is using a VPN, a firewall app or an ad blocker which blocks internet access for the Android account manager.
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You can workaround this issue by using an app password.
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Please [see here](#user-content-howto) about how you can delete the account configured with the quick setup wizard.
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<br />
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