I have recreated the folder and pasted Telerik.Reporting.dll into the C:\Program Files (x86)\Progress\Telerik Reporting R1 2023\bin folder, but the upgrade wizard keeps throwing the above error. None of my reports can go into design mode, so I'm stuck between versions.

The old Login UI offered a way to reset your password by navigating you to https://www.telerik.com/registration-login/forgotten-password?utm_source=tcp 

After improving the Login experience this option is not available. Please add an option for resetting the password: