Steps to modify startup programs
1. Open the Charms bar by moving your mouse pointer over the right corner of your screen. Alternatively you may press Windows key + C on the Start screen to open Charms bar. Then select Search.
2. Next, type ”system configuration” or msconfig into the search box and click on the search button. Then click on the msconfig icon on the left side of the pane
3. Next, click on the Startup tab – Then click on “Open Task Manager”. Alternatively, you can open the Task Manager by pressing Ctrl+Shift+Esc or Ctrl+Alt+Del.
4. You can disable or enable startup items from here. Click on the program name and click on the Disable button to disable it
When lots of programs are added to the startup list, your system becomes slow and may become unresponsive at times.