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why can‘t open App store?only a black screen is display

why can‘t open App store?only a black screen is display

iMac 27″, macOS 11.4

Posted on Jul 20, 2021 1:18 AM

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Question marked as Top-ranking reply

Posted on Jul 20, 2021 1:59 AM

Follow the advise of @Luis S


For good measure >> Suggest downloading from a Trusted Developer and Respected ASC Contributor the application Malwarebytes for Mac. It is free or paid for added features. Run the Application and it should remove the malware / adware. Once done, restart computer and test.


There are no known Viruses in the wild that self replicate and affect macOS. There are Malware and Adware that does affect macOS and are often times downloaded as part of an Application from Third Party UnTrusted Site and get installed along with the Application.

4 replies
Question marked as Top-ranking reply

Jul 20, 2021 1:59 AM in response to Nra198

Follow the advise of @Luis S


For good measure >> Suggest downloading from a Trusted Developer and Respected ASC Contributor the application Malwarebytes for Mac. It is free or paid for added features. Run the Application and it should remove the malware / adware. Once done, restart computer and test.


There are no known Viruses in the wild that self replicate and affect macOS. There are Malware and Adware that does affect macOS and are often times downloaded as part of an Application from Third Party UnTrusted Site and get installed along with the Application.

why can‘t open App store?only a black screen is display

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