Cannot Open StopAd Because of Gatekeeper

How to override Gatekeeper

Some apps downloaded and installed from the Internet could adversely affect your Mac. Gatekeeper helps protect your Mac from such apps. By default, Gatekeeper allows you to open any applications downloaded from App Store.
However, some apps, like StopAd, are available from an official site. You can only download the StopAd application from our official website. This doesn’t mean that all applications downloaded from the internet, and not from App Store, are potentially harmful. It just requires a few additional steps to open the program. 

If you see the "StopAd can't be opened because it wasn't downloaded from the Apple App Store” error message, please follow these instructions:

  1. Please click on the Apple icon in the upper left corner of the Desktop.
  2. Select System Preferences Security and Privacy.
  3. Look for 'Allow apps downloaded from' under the General tab, click the Lock icon and choose 'Anywhere' or “Mac App Store and identified developers.”
  4. Similarly, you can Control(⌃)+click on the StopAd file and select 'Open.' This will let you open the file without changing your security preferences.

Sometimes, it may look like StopAd doesn’t work properly on macOS High Sierra 10.13, in this case, you just need to take some additional steps to make StopAd work correctly:

  1. Click on the Apple icon in the upper left corner of the Desktop.
  2. Select System PreferencesSecurity and Privacy.
  3. Click on the button “Allow.”
  4. Next, you need to quit StopAd and start it again. 
  5. To do this, click on the Apple icon in the upper left corner of the Desktop. 
  6. Select 'Force Quit...' from a drop-down menu, chose StopAd from the list 
  7. Click 'Force Quit' at the bottom right corner of the window, click 'Force quit' in the pop-up window.
  8. Now proceed to reopen StopAd.


If you have issues with StopAd, you can contact our Customer Support Department. Our agents are ready 24/7 to help resolve any issues 
    

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