When attempting to install HubSpot Sales, you may encounter a "Customized functionality in this application will not work because the certificate used to sign the deployment manifest for Sidekick for Outlook or its location is not trusted" error message.
- Open Internet Explorer.
- Click the settings gear at the top right of the window and select Internet Options.
- Click the Security tab.
- Click Trusted Sites.
- Click Sites and add https://dl.getsidekick.com as a trusted site.
- Copy and paste this link into Internet Explorer: https://app.getsidekick.com/outlook/download.