How are you trying to send the email from excel? Which application do you use to send emails and is that application set as default? Do you have incorrect email address entered in the To section of your email message window or a hyperlink to another file is incorrect? If the e-mail address is editable, remove the incorrect e-mail address entered and enter the correct one.
Open Action Center by clicking the Start button Picture of the Start button, clicking Control Panel, and then, under System and Security, clicking Review your computer's status.
Update and run your antivirus software. Windows doesn't come with antivirus software, but Action Center can often monitor the antivirus software that you or your computer manufacturer have installed.
Another Safe way to Fix the Problem: E-Mail link wrong:
How to Fix E-Mail link wrong with SmartPCFixer?
1. Click the button to download Error Fixer . Install it on your system. Open it, and it will scan your system. The junk files will be shown in the list.
2. After the scan is done, you can see the errors and problems which need to be repaired.
3. The Fixing part is done, the speed of your computer will be much higher than before and the errors have been fixed.