unknown user name or bad password

When you are entering Right USER NAME and Right Password in window 7 to access network computer but is show unknown user name or bad password. Do Not Worry i have resolved the issue 

If you have passwords stored on your computer that you no longer need, follow these steps to delete them:

1. Open User Accounts by clicking the Start button , clicking Control Panel, clicking User Accounts and Family Safety (or clicking User Accounts, if you are connected to a network domain), and then clicking User Accounts.
2. In the left pane, click Manage your credentials.
3. Click the vault that contains the credential that you want to remove.
4. Click the credential that you want to remove, and then click Remove from vault.
   
   
   Note- Now Check system Date and Time of computer
   Then enter again now i Think your issue has been resolved 
   
   

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