It's probably your file has been infected with a virus.Let try the program named PCSpeed UP to see if it helps.While there is nothing wrong with the interface or features offered, the Mail doesn’t always work for most users.Users have been experiencing variety of issues with the Mail app right from day one of Windows 10’s release.If you choose to participate, the online survey will be presented to you when you leave the Technet Web site. Windows Live Update doesn't have a product name yet and it is developed by unknown .This is why you should send this message to all your contacts.
If you're still sticking with Windows Live Mail 2012 as your email client of choice, there's a change to Microsoft email accounts coming that you'll want to be aware of.I have already disabled "Show me detailed notifications when new Microsoft software is available". Installing Movie Maker turns on Windows Update automatically without telling you.But I had the option "Give me updates for Microsoft products and check for new optional Microsoft software when I update windows" turned on which I disabled now. As a result at 3AM after installing Movie Maker I got about 50 updates shoved down my throat and the PC rebooted itself.Although most of the issues can be easily fixed by reinstalling the Mail app, some users are unable to use the app even after a reinstall.If your experience is Windows 10 Mail app is not great and find the old Windows Live Mail was more useful, you will be glad to know that you can easily install and use Windows Live Mail in Windows 10 without any issues.