Remove startup applications using registry and speedup your PC

Many applications at startup will make your pc slow.So you must remove some unwanted applications using registry or other method already discussed.You can make your PC start faster by doing this.
>>Go to Start>Run Type regedit to open registry editor
>>Navigate to the following      keys:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RUN and HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RUN
>>On the right side ,  Delete keys which show unnecessary applications at startup