Installed Windows 10 recently ( Boot up goes like a slug on **** now!) and now I can't access one of my email addresses in Live mail. I have two Hotmail addresses, one for gaming and facebook to avoid spam in my main account. I get a Delta Sync error message and have tried deleting and re installing the account. I enter the same email address and password but it won't accept them! I'm now stuck in no mans land on a lot of games because I can't send or receive on this second account! Is there a simple fix or diagnostic I can run to find the problem? Thankyou for your time.