There are currently no logon servers available to service the logon request

How to Fix the error of There are currently no logon 
servers available to service the logon request?


How to Use Gmail 2-step verification on your Gmail Account ?


ENABLE G-MAIL 2-STEP VERIFICATION
  1. Login into your Account of G-mail With your G-mail ID and Password.

How To Fix Task manger disabled by your administrator ?


Task Manager Disabled By Your Administrator How to Fix This Error?
Solution: 1

Click On Start,
Now select Run and type this command

Fix Error of Print spooler service is not Running.

How to solved the Printer spooler Error ?
Go to System Properties>Advanced
Select Performance>Settings
Select Data Execution Prevention