Check Point Software VPN fails (SSL Network Extender is down …) after Windows update

Figured out.

Installed this:

https://supportcenter.checkpoint.com/supportcenter/portal/user/anon/page/default.psml/media-type/html?action=portlets.DCFileAction&eventSubmit_doGetdcdetails=&fileid=10655

Then run Internet Explorer as an Administrator.