To prevent electronic mails problem again, we have easy ways to fix your electronic mails issue.
1.Right click on the Desktop, then select Personalize.
2.After you enter, you'll see Change desktop icons, Change mouse pointers and Change your account picture on the left column. They are normal desktop change items.You can enter into them and change according to your need.
1.Click Computer on your desktable and right click Disk C to select Properties.
2.Click Disk Cleanup, you'll see a window just as right, this process need some minutes.
3.Under Disk Cleanup there are Files to delete, tick the files you don't need to free pc space, finally click OK.