Download the installer ZIP file again.īy default, the launcher resides in the Downloads folder. This will happen if you lost your connection during download. It means the download of the installer was incomplete.

When you unzip the installer using the Archive Utility, you may see the error 'Unable to expand BlackboardCollaborateLauncher-Mac.zip into Downloads. collab file, do not do so until you have installed the launcher. If your browser also prompts you to open the. If so, select the Archive Utility in System/Library/CoreServices. Your browser may ask you which application to use to open the ZIP file. In Firefox and Chrome, open the ZIP file in your Downloads folder to unzip and install the launcher.Safari automatically unzips the file and installs the launcher.When the installer file BlackboardCollaborateLauncher-Mac.zip is fully downloaded, unzip the file to install the launcher. To avoid this step in the future, select Always run on this site. Java may prompt you for permission to run.A pop-up window reminds you to install the launcher.Select Launch Blackboard Collaborate nowto bypass the download and then open your. If this is the case, you do not need to re-download the installer again. This can happen if you cleared your cache and cookies last time you exited your browser, use secure or private browsing, or use a different browser. If you already installed the launcher, your browser may not detect it, and you'll be prompted to download the launcher.If this is the first time you are using the launcher, select Download Launcher in the First time using Blackboard Collaborate? pop-up window.

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