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How do I find/configure my DNS (I don't even know what it is)?

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I recently installed PC Matic. Now I often get an error message "server not found". This has led me to conclude that I do not have a DSN (whatever that is) or that I don't know how to configure my DSN (if I have one). My most frequent applications, such as my email and facebook, work fine, but something as obvious as www.medicare.gov gets me a "server not found" message.

I recently installed PC Matic. Now I often get an error message "server not found". This has led me to conclude that I do not have a DSN (whatever that is) or that I don't know how to configure my DSN (if I have one). My most frequent applications, such as my email and facebook, work fine, but something as obvious as www.medicare.gov gets me a "server not found" message.

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I see that you have an add-on / extension installed - PC Matic 1.01 (noreply@pcpitstop.com) - which I am not familiar with and can't locate at the official add-ons website.

See if you can't get answers at the PC Pit Stop support fora. https://forums.pcpitstop.com/