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Problem with "cdn.districtm.io" popups

I have a Mac Book Pro late 2013 and recently have started having repeated pop up windows saying Safari can't verify the identity of the website cdn.districtm.io the window wants me to Cancel or Continue. no matter what I do the notice repeats over and over. What can or should I do to tame this situation?

MacBook Pro, new 2014

Posted on May 10, 2018 8:33 AM

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Posted on May 10, 2018 8:36 AM

It sounds like the certificate for the website is out of date.

Force Quit Safari ( command + option + esc keys).Then restart Safari holding the Shift key. If you still have problems Empty Caches (Safari menu > Preferences > Privacy > Remove all website data. (This will also remove history if you do not want to remove History open Safari Preferences > Advanced and check mark “Show Develop Menu” then choose “Empty Caches” from Develop Menu ).

Then go to Safari Preferences > Extensions and check there. If there is an extension delete it.

If the problem persists then download and run Malwarebytes. Malwarebytes was developed by one of our own colleagues here in ASC and is about the most proven anti-malware software for Mac.

1 reply
Question marked as Best reply

May 10, 2018 8:36 AM in response to tradersam

It sounds like the certificate for the website is out of date.

Force Quit Safari ( command + option + esc keys).Then restart Safari holding the Shift key. If you still have problems Empty Caches (Safari menu > Preferences > Privacy > Remove all website data. (This will also remove history if you do not want to remove History open Safari Preferences > Advanced and check mark “Show Develop Menu” then choose “Empty Caches” from Develop Menu ).

Then go to Safari Preferences > Extensions and check there. If there is an extension delete it.

If the problem persists then download and run Malwarebytes. Malwarebytes was developed by one of our own colleagues here in ASC and is about the most proven anti-malware software for Mac.

Problem with "cdn.districtm.io" popups

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