Fix

Make sure you change the account to a hotmail account, using the dropdown menu

(this must be done)

hotmail

hotmail

hotmail

Download Games for Windows Live again > http://www.xbox.com/en-gb/Live/PC/DownloadClient Go to > https://login.live.com/login.srf?wa=wsignin1.0&ct=1466981431&rver=6.6.6556.0&wp=MBI_SSL&wreply=https:%2F%2Foutlook.live.com%2Fowa%2F&id=292841&CBCXT=out > Create a new account >After creating a newaccount log onto xbox.com with these new credentials > (from here you can change your gamertag and gamerpic).Then go toFrom here you must rename the filetoThen Run Grand Theft Auto IV and sign into windows live with your newcredentialsYour profile will then be downloaded, you may get a message saying there needs to be an update. If so just quit the game and wait for the download on your taskbar to complete.After this Run Grand Theft Auto IV again and sign into windows live using thecredentials.The game should then run as normal allowing you to save and get achivements etc.