Consumer Support » This app has been blocked for your protection: installer.exe won’t start

This app has been blocked for your protection: installer.exe won’t start

Because of certain changes within the Bitdefender security software, users who try to install Bitdefender security using older kits might encounter issues during the installation process. The User Account Control will block installer.exe and a window similar to the one below will be displayed on your screen:

“The app has been blocked for your protection. An administrator has blocked you from running this app. For more information, contact the administrator.”

installer error 2018

In such cases, you will have to:

1. Go to Bitdefender Central and sign in to your account.

2. Install Bitdefender with the latest kit by following the steps from this article.

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