Why Do I Get the “could Not Connect” Or “internal Service Error” Message When I Try to Activate CleanMyMac 3?

This message is usually displayed when CleanMyMac 3 is unable to connect to the server for activation. The point is, it needs to connect to the server to verify the activation key. However, sometimes CleanMyMac 3 can be blocked from connecting by a firewall or other Internet security solutions.

If you have received this error, please make sure CleanMyMac 3 is not being blocked by any security solutions. If you are sure it's not, please try connecting to a different network for activation. Sometimes network security settings can block the connection.

Related FAQ

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    CleanMyMac 3 app perfectly complements Optimized Storage from Apple. When equipped with both, you get maximum free space and you can be sure every corner of your Mac is junk-free. While Apple's Optimized Storage works for system applications, CleanMyMac is doing more and optimi…

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    You may have noticed CleanMyMac 2 can no longer be found on site. That’s because we have replaced it with CleanMyMac 3. We truly loved the CleanMyMac 2 app, but MacPaw believes that CleanMyMac 3 is so much better. For all users who would like to continue using CleanMyMac 2, FAQ…

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