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When opening Firefox on my PC, I am getting 3 alerts identified as "Mozilla Firefox" with a specific info such as SYSYEM ERROR. See attchd video

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prost1
prost1
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What should be my response to these messages? Dismiss closes the particular message, but it is immediately replaced with another similar one. I have no idea what the xxxx.mergenetworkprotocol is or how to use it. It is real or a phishing scam? Is it safe to simply tell Firefox to hide it?

What should be my response to these messages? Dismiss closes the particular message, but it is immediately replaced with another similar one. I have no idea what the xxxx.mergenetworkprotocol is or how to use it. It is real or a phishing scam? Is it safe to simply tell Firefox to hide it?
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James
James
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Those appear to be Web Push Notifications from sites you have allowed to send you notifications. Unfortunately some sites may actually send you fake virus and such alerts instead of useful things. You can revoke permissions for those sites.

https://support.mozilla.org/en-US/kb/push-notifications-firefox https://support.mozilla.org/en-US/kb/push-notifications-firefox#w_how-do-i-revoke-web-push-permissions-for-a-specific-site