Problems logging out
From Legacy Roblox Wiki
In rare cases you may not be able to log out. If this happens, please try the following:
- Close all instances of your browser.
- Open a single instance of your browser.
- Browse to a page other than ROBLOX - www.google.com for example.
- On Internet Explorer, use Tools->Internet Options->General->Delete Cookies. Or on Mozilla Firefox, go to Tools->Options->Privacy->Show Cookies->Remove All cookies.
- Browse to www.roblox.com. You should see that no account is logged in.
We know this is a bug in certain situations and will fix it as soon as possible.