Stop Password Expiration

If you want to do this for all users, enter:
Start / Run / net accounts /maxpwage:unlimited
If you are getting an error message that your password is about to expire:

1.Right click on the My Computer icon
2.Select Manage
3.Go to Local Users and Groups / Users
4.Right-click on the user you want to change
5.Select Properties
6.On the General tab, check Password never expires
7.Click OK