The issue you are facing with the Cognitas CrossLink Launcher not allowing access via web browser could be due to various reasons. First, ensure that you have the correct version of Java installed on your computer. Make sure it is the latest version compatible with the CrossLink Launcher. Additionally, check your browser settings and ensure that it allows the required Java plugins or extensions to run. If the issue persists, you might need to contact the support team of Cognitas CrossLink Launcher for further assistance.