For several days, each time Update Manager suggested updating various products, upon trying to do so your server has been responding with an internal (500) error message. This is usually this error in this screen cap:
... but just a few minutes ago the process moved past that stage, and then at a later stage threw this error instead:
So I think there's some problem with updates.cypress.com. -- Graham
Apologies for the inconvenience caused.
Cypress has released FX3 SDK 1.3.4. You can download it from the following link and install it manually. Don't forget to create backup of all the existing projects in the workspace.
Thanks & Regards