" your system is too slow ??".
“yes !! Look how much time it takes to startup.”
- It may be because you have enabled too many startup programs, that is, programs that launch automatically when you start your computer.
These programs can bog down your system resources, and removing them can free up space. This article provides  instructions for manual removal.
 1-open the Start menu and type : msconfig in the Search box.
 2-click on msconfig.exe

3-Click the Startup tab on the System Configuration main window
This shows the different programs that start up when you turn on your computer.

- remove any items that you don’t feel need to be running when you start your computer
-click Apply, OK and restart your computer