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Hello again Andrew42,

Sorry for the continued troubles. From the main 1Password in the browser window when opened with icon in the browser taskbar, you are defaulted to Suggestions but this can be changed by clicking the Suggestions heading and selecting something more useful to you, such as Favourites:

Then, if you close and reopen your browser, are you seeing this default to Favourites?

Thanks for attaching the screenshot! The three dot menu you are looking at is the More Options menu for the item you've currently selected. The Password generator is located in a different menu as depicted below:

The Change Password option from the More Options menu in 1Password in the browser is taking you to the URL associated with the Login item you've selected. Instead, I wanted to provide you with our below guides which includes steps to:
* Change your password in your browser
* Change your password in the app

I hope these additional images and guides are helpful. As always, we're here to help should need any further guidance. Thanks!