Your computer’s performance can be slower than you wish because of programs that may run automatically, when Windows starts. Here is how to enhance your computer by preventing unnecessary programs doing so:
Click on the Start button, then All Programs and then open Windows Defender
Click the Tools button, and then click Software Explorer.
In the Category box, click Startup Programs.
Choose the program that you want to prevent from running, and then click Disable.
Choose Yes to confirm that you wish to stop this specific program from running.