How to Disable unwanted startup programs

Trick 1

1) Open regedit (Start -> Run then type regedit).
2) Select HKEY_LOCAL_MACHINE > SOFTWARE >Microsoft> Windows > Current Version > Run >Start > Programs > Startup Folder
3) Then in right panel there is list of Start up programs. Delete (Right click > Delete) the programs which you don't want at start up.
4) Restart PC.

Trick 2

1) Open msconfig(Start -> Run -> Type msconfig).
2) Then Select Tab Startup
3) Click Check box which you want to disable Startup.
4) Then Click Apply and Ok. Restart PC and Selected programs are  Disable.

Trick 3

1) Download CCleaner.
2) Open CCleaner.
3) Select Tools from left panel.
4) Select Startup.5) Select the programs which you want to disable and Click Disable or Delete from right panel. Now, restart PC and your unwanted programs are disabled.