The error code dialog box (Image via Roblox) A 529 error, whether it's "An http error has occurred. Close the client and try again. (Error code: 529)" or "We are experiencing technical difficulties.

The Error Code 529 could indicate a variety of issues. It could be an HTTP error, meaning the client is having issues connecting to the web service, or a Roblox technical issue with VIP servers.

Basic Reinstall: Uninstall Roblox through your control panel (or Apps settings) and then download and install a fresh copy from the Roblox website. This is your first line of defense.