Fix Teleport Failed Unknown exception. (Error Code: 769) in Roblox (4/18/21 Re-updated)

Here's how to Fix Teleport Failed Unknown exception. (Error Code: 769) in Roblox. 4/18/21 Added: 1) use a user account w/ admin privileges to log in Roblox, then run the client as an administrator (right-clicking); 2) remove (using the recommended uninstall tool PRO@ https://macpaw.audw.net/c/376211/154407/1733) & reinstall Roblox; repeat the above-mention Tip 1. 3) try disabling any newly installed add-ons/mods in your Roblox. Learn more? * https://www.youtube.com/watch?v=KGiUkK9Y08Y Fix "Roblox has shut down the server for maintenance. Please try again. (Error Code: 275) * https://www.youtube.com/watch?v=4_nMz0Ole44 Fix Error Code 273 in Roblox * https://www.youtube.com/watch?v=eUowbdDzLzo Fix Disconnected due to the Security Key Mismatch (Error Code: 272) in Roblox