Some users trying to join a meeting through Internet Explorer may see this error message: Cannot Continue. The Application is Improperly Formatted (Authenticode). If you receive the that error when joining a meeting or webinar using Internet Explorer, try to following steps to add Zoom as a trusted site and allow it to run. 

How to trust Authenticode components

To resolve this issue, try the following steps:

1. Open Internet Explorer.
2. Select Internet Options under the Tools menu.
3. Select the Security tab.
4. Select Trusted Sites.
5. Select Custom Level...
6. Select Run components signed with Authenticode or select Enable.
7. Select Ok to apply.

How to add Zoom as a trusted site

Next, add zoom.us to the Trusted site list by following these steps:

1. Open Internet Explorer.
2. Select Internet Options under the Tools menu.
3. Select the Security tab.
4. Select Trusted Sites.
5. Select Sites.
6. Type zoom.us under Add this website to the zone.
7. Select Add.
8. Select Close.
9. Select Ok to apply

For additional troubleshooting, submit a request to Zoom Support.